{"id":32715,"date":"2024-07-11T09:07:48","date_gmt":"2024-07-11T09:07:48","guid":{"rendered":"https:\/\/www.ull.es\/portal\/hipotesis\/?p=32715"},"modified":"2024-11-21T13:13:00","modified_gmt":"2024-11-21T13:13:00","slug":"herencia-de-caracteres-adquiridos","status":"publish","type":"post","link":"https:\/\/www.ull.es\/portal\/hipotesis\/herencia-de-caracteres-adquiridos\/","title":{"rendered":"Herencia de caracteres adquiridos"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"32715\" class=\"elementor elementor-32715\">\n\t\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e5e108d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e5e108d\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column 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.elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<blockquote><h1 style=\"margin-top: 0px;font-weight: normal;color: #5c068c\"><span style=\"color: #2c284d\">Herencia de caracteres adquiridos<br \/><\/span><\/h1><\/blockquote><div style=\"font-family: ArgentumSans, sans-serif\"><div style=\"width: 455px\"><p style=\"line-height: 32px\"><span style=\"color: #e4cac8\">lunes 8 de enero de 2024 &#8211; 00:00 GMT+0000<\/span><\/p><p style=\"line-height: 32px\"><span style=\"color: #83b580\"><span style=\"font-weight: 400\"><a href=\"https:\/\/www.ull.es\/portal\/hipotesis\/wp-content\/uploads\/sites\/62\/2024\/07\/Herencia-de-caracteres-adquiridos.png\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.ull.es\/portal\/hipotesis\/wp-content\/uploads\/sites\/62\/2024\/07\/Herencia-de-caracteres-adquiridos.png\" alt=\"\" width=\"664\" height=\"889\" \/><\/a><\/span><\/span><a style=\"cursor: pointer;line-height: 16px;padding: 0px 2px\" href=\"https:\/\/www.addtoany.com\/share#url=https%3A%2F%2Fwww.ull.es%2Fportal%2Fnoticias%2F2023%2Fla-inteligencia-artificial-un-reto-para-la-filosofia%2F&amp;title=La%20Inteligencia%20Artificial%2C%20un%20reto%20para%20la%20Filosof%C3%ADa%20-%20ULL%20-%20Noticias\" target=\"_blank\" rel=\"noopener\"><span style=\"overflow: hidden;height: 1px;width: 1px;position: absolute !important\" data-a2a-localize=\"inner,Share\">C<\/span><\/a><\/p><\/div><div style=\"width: 325px\"><div style=\"margin-bottom: 13.5px;line-height: 32px\"><p><a style=\"float: left;cursor: pointer;line-height: 16px;padding: 0px 2px\" href=\"https:\/\/www.ull.es\/#facebook\" target=\"_blank\" rel=\"nofollow noopener\" target=\"_blank\" rel=\"noopener\"><span style=\"overflow: hidden;height: 1px;width: 1px;position: absolute !important\">Facebook<\/span><\/a><a style=\"float: left;cursor: pointer;line-height: 16px;padding: 0px 2px\" href=\"https:\/\/www.ull.es\/#x\" target=\"_blank\" rel=\"nofollow noopener\" 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11px;overflow: hidden\">\u00a0<\/div><\/div><\/div><p>L<span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">a idea de que un rasgo \u201cadquirido\u201d pod\u00eda mantenerse en el\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">material hereditario dentro de\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">una raza o variedad de una espe<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">cie es una idea antigua. Durante\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">siglos fue usada para explicar cambios acci<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">dentales que no \u201calteraban la estabilidad de\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">las especies\u201d. Fue a finales del siglo XVIII y\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">principios del XIX que empez\u00f3 utilizarse para\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">explicar la transformaci\u00f3n. Erasmus Darwin\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">y J.B. Lamarck consideraron que la acumulaci\u00f3n \u201cde rasgos adquiridos\u201d generaba la\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">transformaci\u00f3n de las especies.<\/span><\/p><p>A finales del siglo XVII <b>John Ray<\/b> afirm\u00f3 que las variaciones que se producen en los individuos eran variaciones accidentales,<br \/>e interpret\u00f3 que las caracter\u00edsticas de una especie eran siempre iguales. Ray sugiri\u00f3 que de las semillas de un \u00e1rbol nace siempre<br \/>el mismo tipo de \u00e1rbol, de tal manera que a\u00a0<span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">trav\u00e9s de la reproducci\u00f3n las especies man<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">ten\u00eda su estabilidad natural. Para <b>Lamarck<\/b>,\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">la especie, en ese sentido, era considerada\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">una <b>constancia absoluta de la naturale<\/b><\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\"><b>za<\/b>, y se propuso <b>combatir <\/b>esa idea. Asumir\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">que de robles nacen robles y de lobos, nacen\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">lobos, no era una opci\u00f3n. Para Lamarck, de\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">lobos, con suficiente tiempo y cambios en las\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">circunstancias, empezaron a nacer perros.\u00a0<\/span><\/p><p><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">La idea de \u201crasgos adquiridos\u201d, se convir<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">ti\u00f3 en la explicaci\u00f3n de Lamarck, en una idea\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">radical que destru\u00eda la creencia de \u201cla estabi<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">lidad de las especies\u201d; una creencia que sigui\u00f3\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">teniendo defensores, entre ellos <b>Frederick\u00a0<\/b><\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\"><b>Cuvier<\/b>, quien contribuy\u00f3 a la formulaci\u00f3n que\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">m\u00e1s tarde se conocer\u00eda como l\u2019h\u00e9r\u00e9dit\u00e9 des\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">modifications acquises (la Herencia de Carac<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">teres Adquiridos) (HCA), pero en su caso fue\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">para rechazar la idea de la transformaci\u00f3n de\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">las especies.<\/span><\/p><p>Para Lamarck, la HCA, ten\u00eda dos sentidos:\u00a0<span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">Uno, la idea conocida como Lamarckismo,\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">ligada al origen de rasgos nuevos generados\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">por influencia del ambiente, uso y desuso, y\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">su transmisi\u00f3n a la siguiente generaci\u00f3n. Dos,\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">la idea de que las caracter\u00edsticas adquiridas\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">por una serie de ancestros formaban nuevas\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">caracter\u00edsticas espec\u00edficas y que de manera\u00a0\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">progresiva y acumulativa daban origen a nuev<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">as especies. Charles Lyell llam\u00f3 a esta idea\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">la doctrina de la modificaci\u00f3n continua de las\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">especies.<\/span><\/p><p>Bajo esas perspectivas lamarckianas, \u00c9.G.\u00a0<span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">Saint-Hilaire, hipotetiz\u00f3 un modelo embrio<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">l\u00f3gico para investigar el origen com\u00fan de\u00a0\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">vertebrados e invertebrados. Para Geoffroy\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">el ambiente influ\u00eda a nivel embrionario, gene<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">raba modificaciones que se acumulaban y eso\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">generaba nuevas especies. En su explicaci\u00f3n\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">Saint-Hilaire rechaz\u00f3 la noci\u00f3n de \u201cuso y des<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">uso\u201d, por lo que HCA adquiri\u00f3 un significado\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">distinto, pero con la misma consecuencia, la\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">transformaci\u00f3n de las especies.<\/span><\/p><p><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">\u00a0<\/span><\/p><blockquote><p><strong>\u00abPara Lamarck y Geoffroy, las<\/strong><\/p><p><strong>caracter\u00edsticas adquiridas eran<\/strong><\/p><p><strong>parte de la causalidad natural<\/strong><\/p><p><strong>de la transformaci\u00f3n\u00bb<\/strong><\/p><\/blockquote><p>El concepto de herencia de Lamarck y de Saint-Hilaire no coincidi\u00f3 con las ideas de la herencia defendidas por <b>Prosper Lucas<\/b><br \/>(quien influy\u00f3 en <b>Francis Galton<\/b> y otros autores). Para los primeros, la herencia es un aspecto indisociable de la transformaci\u00f3n,<br \/>es un aspecto \u201chist\u00f3rico\u201d y acumulativo, con un efecto de cambio continuo. Para Lucas las especies estaban determinadas desde \u201cel<br \/>principio\u201d y era imposible su transformaci\u00f3n; rechaz\u00f3 la idea de la acumulaci\u00f3n de rasgos\u00a0<span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">adquiridos como una posibilidad de trans<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">formaci\u00f3n y consider\u00f3 que, en las ideas de\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">Lamarck y Saint-Hilaire, el concepto de heren<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">cia se perd\u00eda en el vac\u00edo y en la oscuridad del\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">horizonte, pues carec\u00eda de una base s\u00f3lida con\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">la que se pudiera explicar su regularidad.\u00a0<\/span><\/p><p><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">Para Lamarck y Geoffroy, las caracter\u00edsticas\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">adquiridas eran parte de la causalidad natural\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">de la transformaci\u00f3n. Con ese mismo compro<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">miso <b>Charles Darwin<\/b> intent\u00f3 dar evidencias\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">de la HCA. Para explicar c\u00f3mo se adquieren\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">y transmiten \u201clos rasgos adquiridos\u201d elabor\u00f3\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">su hip\u00f3tesis provisional de la pang\u00e9nesis; con\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">ella explic\u00f3 la variaci\u00f3n como resultado del\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">uso y desuso y de la influencia del ambiente.\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">Consider\u00f3 que en ocasiones algunos rasgos\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">adquiridos pod\u00edan surgir de manera \u201cacciden<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">tal\u201d y \u201cespont\u00e1nea\u201d sin aparente conexi\u00f3n con\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">el ambiente; no obstante, fuera cual fuera el\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">origen (o tipo) de variaci\u00f3n, era una modifica<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">ci\u00f3n adquirida heredable\u00a0 sujeta al filtro de la\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">selecci\u00f3n natural (conservaci\u00f3n de variaci\u00f3n\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">favorable y eliminaci\u00f3n de variaci\u00f3n desfavo<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">rable).<\/span><\/p><p><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">\u00a0<\/span><\/p><blockquote><p><strong>\u00abPensar los ejemplos anteriores <\/strong><\/p><p><strong>como HCA, lejos de ser una herej\u00eda,<\/strong><\/p><p><strong> es muestra de la pluralidad explicativa<\/strong><\/p><p><strong> de la biolog\u00eda evolutiva, y muestra de que, no solo se <\/strong><\/p><p><strong>transforman las especies, tambi\u00e9n los conceptos,<\/strong><\/p><p><strong> y en este caso, un concepto que, desde el nacimiento<\/strong><\/p><p><strong> del pensamiento evolutivo, ha tenido una historia controversial<\/strong><\/p><p><strong>y provocativa\u00bb<\/strong><\/p><\/blockquote><p><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">\u00a0<\/span><\/p><p>Hist\u00f3ricamente se ha escrito que <b>August\u00a0<\/b><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\"><b>Weismann<\/b> rechaz\u00f3 la HCA, el uso y desuso, y\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">la influencia del ambiente. Sin embargo, Weis<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">mann acept\u00f3 que los cambios ambientales,\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">actuando durante el desarrollo embrionario,\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">eran las causas necesarias de la variaci\u00f3n\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">en el material hereditario, rechaz\u00f3 el uso y\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">el desuso, y consider\u00f3 irrelevante, en t\u00e9rmi<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">nos evolutivos, la influencia del ambiente en\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">el somatosoma. Sin embargo, sostuvo que\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">la variaci\u00f3n adquirida del germoplasma se\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">heredaba; pensaba en una explicaci\u00f3n meca<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">nicista alternativa del papel del ambiente\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">actuando en la etapa del desarrollo y a nivel\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">de estructuras embrionarias. De tal manera\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">que rechaz\u00f3 la herencia de los efectos del uso\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">y el desuso, pero no la herencia de los efectos\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">\u201cmec\u00e1nicos del ambiente\u201d.<\/span><\/p><p>Con la teor\u00eda sint\u00e9tica, la fuente de varia<span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">ci\u00f3n se empez\u00f3 a explicar como resultado\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">de mutaciones aleatorias (en los genes) y\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">recombinaciones gen\u00e9ticas (de los genes),\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">procesos desvinculados de influencias\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">ambientales, y se abandonaron los signifi<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">cados que en el siglo XIX se le hab\u00eda dado a\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">la HCA: 1) la relaci\u00f3n causal entre la influen<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">cia del ambiente y la generaci\u00f3n de \u201crasgos\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">adquiridos\u201d adaptativos y no adaptativos; y 2)\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">la acumulaci\u00f3n de rasgos adquiridos trans<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">mitidos a las siguientes generaciones cuyo\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">efecto era la transformaci\u00f3n de las especies.\u00a0<\/span><\/p><p><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">El segundo sentido se ha incorporado a\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">nociones actuales de HCA, sin que se incluya\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">\u201cel uso y desuso\u201d y \u201cla influencia del ambiente\u201d.\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">Por ejemplo, para <b>Lynn Margulis y Dorian\u00a0<\/b><\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\"><b>Sagan<\/b>, HCA significa la adquisici\u00f3n de jue<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">gos completos de \u201ccaracter\u00edsticas\u201d a tra<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">v\u00e9s del proceso de simbiog\u00e9nesis, en la que\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">un juego completo de genes o genoma se\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">incorpora a otro sistema gen\u00e9tico, sin perder\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">funcionalidad, y si hay adquisici\u00f3n de nue<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">vas caracter\u00edsticas, hay por lo tanto HCA.\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">Posteriormente, los genes adquiridos ser\u00edan\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">heredado a la descendencia como ocurre\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">con la transmisi\u00f3n del DNA de las mitocon<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">drias y cloroplastos. Los virus tambi\u00e9n llevan\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">fragmentos de DNA o RNA funcional de un\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">sistema gen\u00e9tico a otro, esto se llama trans<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">ferencia horizontal de genes, y al igual que en\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">la simbiog\u00e9nesis, tambi\u00e9n hay \u201crasgos adqui<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">ridos\u201d. Pensar los ejemplos anteriores como\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">HCA, lejos de ser una herej\u00eda, es muestra de\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">la pluralidad explicativa de la biolog\u00eda evoluti<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">va, y muestra de que, no s\u00f3lo se transforman\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">las especies, tambi\u00e9n los conceptos, y en\u00a0<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">este caso, un concepto que, desde el naci<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">miento del pensamiento evolutivo, ha tenid o<\/span><span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif\">una historia controversial y provocativa.<\/span><\/p><p><a href=\"https:\/\/www.ull.es\/portal\/hipotesis\/wp-content\/uploads\/sites\/62\/2024\/07\/Herencia-de-caracteres-adquiridos-2-scaled.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-32782\" src=\"https:\/\/www.ull.es\/portal\/hipotesis\/wp-content\/uploads\/sites\/62\/2024\/07\/Herencia-de-caracteres-adquiridos-2-scaled.jpg\" alt=\"\" width=\"2560\" height=\"1100\" srcset=\"https:\/\/www.ull.es\/portal\/hipotesis\/wp-content\/uploads\/sites\/62\/2024\/07\/Herencia-de-caracteres-adquiridos-2-scaled.jpg 2560w, https:\/\/www.ull.es\/portal\/hipotesis\/wp-content\/uploads\/sites\/62\/2024\/07\/Herencia-de-caracteres-adquiridos-2-300x129.jpg 300w, https:\/\/www.ull.es\/portal\/hipotesis\/wp-content\/uploads\/sites\/62\/2024\/07\/Herencia-de-caracteres-adquiridos-2-1024x440.jpg 1024w, https:\/\/www.ull.es\/portal\/hipotesis\/wp-content\/uploads\/sites\/62\/2024\/07\/Herencia-de-caracteres-adquiridos-2-768x330.jpg 768w, https:\/\/www.ull.es\/portal\/hipotesis\/wp-content\/uploads\/sites\/62\/2024\/07\/Herencia-de-caracteres-adquiridos-2-1536x660.jpg 1536w, https:\/\/www.ull.es\/portal\/hipotesis\/wp-content\/uploads\/sites\/62\/2024\/07\/Herencia-de-caracteres-adquiridos-2-2048x880.jpg 2048w, https:\/\/www.ull.es\/portal\/hipotesis\/wp-content\/uploads\/sites\/62\/2024\/07\/Herencia-de-caracteres-adquiridos-2-375x161.jpg 375w, https:\/\/www.ull.es\/portal\/hipotesis\/wp-content\/uploads\/sites\/62\/2024\/07\/Herencia-de-caracteres-adquiridos-2-750x322.jpg 750w, https:\/\/www.ull.es\/portal\/hipotesis\/wp-content\/uploads\/sites\/62\/2024\/07\/Herencia-de-caracteres-adquiridos-2-1140x490.jpg 1140w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/a><\/p><div style=\"margin-top: 20px;color: #3d3d3d;font-family: ArgentumSans, sans-serif\"><p>REDACCI\u00d3N <strong>RICARDO NOGUERA SOLANO<\/strong><\/p><\/div><hr style=\"margin-top: 27px;margin-bottom: 27px;color: #3d3d3d;font-family: ArgentumSans, sans-serif;background-color: #ffffff\" \/><p style=\"font-family: ArgentumSans, sans-serif\"><strong><span style=\"color: #2c284d\">Archivado en<\/span>: <\/strong><a href=\"https:\/\/www.ull.es\/portal\/hipotesis\/revista-hipotesis\/\" target=\"_blank\" rel=\"noopener\">Revista Hip\u00f3tesis<\/a><br \/><strong><span style=\"color: #2c284d\">Etiquetas: <\/span><\/strong><span style=\"color: #2c284d\"><a href=\"https:\/\/www.ull.es\/portal\/hipotesis\/numero-16\/\" target=\"_blank\" rel=\"noopener\">N\u00famero 16<\/a>, <a href=\"https:\/\/www.ull.es\/portal\/hipotesis\/?tag=seccion\" target=\"_blank\" rel=\"noopener\">Secci\u00f3n<\/a>, <a href=\"https:\/\/www.ull.es\/portal\/hipotesis\/ciencia-y-sociedad\/\" target=\"_blank\" rel=\"noopener\">Ciencia y sociedad<\/a>,\u00a0 <a href=\"https:\/\/www.ull.es\/portal\/hipotesis\/historia-evolutiva\" target=\"_blank\" rel=\"noopener\">Historia Evolutiva<\/a>, <a href=\"https:\/\/www.ull.es\/portal\/hipotesis\/ricardo-noguera-solano\" target=\"_blank\" rel=\"noopener\">Ricardo Noguera Solano<\/a>, <a href=\"https:\/\/www.ull.es\/portal\/hipotesis\/revista-hipotesis\" target=\"_blank\" rel=\"noopener\">Revista Hip\u00f3tesis<\/a>,\u00a0<a href=\"https:\/\/www.ull.es\/portal\/hipotesis\/?tag=universidad-nacional-autonoma-de-mexico\" target=\"_blank\" rel=\"noopener\">Universidad Nacional Aut\u00f3noma de M\u00e9xico<\/a><\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-129ffdf\" data-id=\"129ffdf\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-26b705f elementor-widget elementor-widget-testimonial\" data-id=\"26b705f\" data-element_type=\"widget\" data-widget_type=\"testimonial.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.9.2 - 21-12-2022 *\/\n.elementor-testimonial-wrapper{overflow:hidden;text-align:center}.elementor-testimonial-wrapper .elementor-testimonial-content{font-size:1.3em;margin-bottom:20px}.elementor-testimonial-wrapper .elementor-testimonial-name{line-height:1.5;display:block}.elementor-testimonial-wrapper .elementor-testimonial-job{font-size:.85em;display:block}.elementor-testimonial-wrapper .elementor-testimonial-meta{width:100%;line-height:1}.elementor-testimonial-wrapper .elementor-testimonial-meta-inner{display:inline-block}.elementor-testimonial-wrapper .elementor-testimonial-meta .elementor-testimonial-details,.elementor-testimonial-wrapper .elementor-testimonial-meta .elementor-testimonial-image{display:table-cell;vertical-align:middle}.elementor-testimonial-wrapper .elementor-testimonial-meta .elementor-testimonial-image 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elementor-testimonial-image-position-aside\">\n\t\t\t\t<div class=\"elementor-testimonial-meta-inner\">\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-testimonial-image\">\n\t\t\t\t\t\t\t<img decoding=\"async\" loading=\"lazy\" width=\"730\" height=\"485\" src=\"https:\/\/www.ull.es\/portal\/hipotesis\/wp-content\/uploads\/sites\/62\/2024\/07\/244__34_original.jpg\" class=\"attachment-full size-full wp-image-32794\" alt=\"\" srcset=\"https:\/\/www.ull.es\/portal\/hipotesis\/wp-content\/uploads\/sites\/62\/2024\/07\/244__34_original.jpg 730w, https:\/\/www.ull.es\/portal\/hipotesis\/wp-content\/uploads\/sites\/62\/2024\/07\/244__34_original-300x199.jpg 300w, https:\/\/www.ull.es\/portal\/hipotesis\/wp-content\/uploads\/sites\/62\/2024\/07\/244__34_original-375x249.jpg 375w\" sizes=\"(max-width: 730px) 100vw, 730px\" \/>\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-testimonial-details\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-testimonial-name\">Ricardo Noguera Solano<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-testimonial-job\">Profesor de Historia y filosof\u00eda de la biolog\u00eda de la Facultad de Ciencias de la UNAM<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b5a30a9 elementor-widget elementor-widget-text-editor\" data-id=\"b5a30a9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><i>Profesor de Historia y filosof\u00eda de la biolog\u00eda, en la Facultad de Ciencias, UNAM. Ha impartido clases de Licenciatura y Posgrado desde 1996. Forma parte del Sistema Nacional de Investigadores Nivel II.<\/i><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c2f41f2 elementor-widget elementor-widget-toggle\" data-id=\"c2f41f2\" data-element_type=\"widget\" data-widget_type=\"toggle.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.9.2 - 21-12-2022 *\/\n.elementor-toggle{text-align:left}.elementor-toggle .elementor-tab-title{font-weight:700;line-height:1;margin:0;padding:15px;border-bottom:1px solid #d4d4d4;cursor:pointer;outline:none}.elementor-toggle .elementor-tab-title .elementor-toggle-icon{display:inline-block;width:1em}.elementor-toggle .elementor-tab-title .elementor-toggle-icon svg{-webkit-margin-start:-5px;margin-inline-start:-5px;width:1em;height:1em}.elementor-toggle .elementor-tab-title .elementor-toggle-icon.elementor-toggle-icon-right{float:right;text-align:right}.elementor-toggle .elementor-tab-title 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role=\"tablist\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2041\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"tab\" aria-controls=\"elementor-tab-content-2041\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-down\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-angle-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"\" class=\"elementor-toggle-title\" target=\"_blank\" rel=\"noopener\">Departamento<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-2041\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-2041\"><p>Biolog\u00eda Evolutiva<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-2042\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"tab\" aria-controls=\"elementor-tab-content-2042\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><i class=\"fas fa-caret-down\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><i class=\"elementor-toggle-icon-opened fas fa-angle-up\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"\" class=\"elementor-toggle-title\" target=\"_blank\" rel=\"noopener\">Contacto<\/a>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-2042\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-2042\"><p>rns@ciencias.unam.mx<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8462382 elementor-widget elementor-widget-text-editor\" data-id=\"8462382\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-afe9c30 elementor-widget elementor-widget-text-editor\" data-id=\"afe9c30\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<h2 class=\"widgettitle\" style=\"color: #5c068c;margin-top: 0px;margin-bottom: 13.5px;font-size: 22px;clear: left;text-transform: uppercase;position: relative;padding-bottom: 20px;text-align: left\"><span style=\"color: #1b2f54\">REPORTAJES RECIENTES<\/span><\/h2><ul><li><a href=\"https:\/\/www.ull.es\/portal\/cienciaull\/africa-y-canarias-una-alianza-para-la-investigacion-y-el-desarrollo\/\" target=\"_blank\" rel=\"noopener\">\u00c1frica y Canarias: una alianza para la investigaci\u00f3n y el desarrollo<\/a><\/li><li><a href=\"https:\/\/www.ull.es\/portal\/cienciaull\/la-abeja-una-aliada-en-peligro\/\" target=\"_blank\" rel=\"noopener\">La abeja, una aliada en peligro<\/a><\/li><li><a href=\"https:\/\/www.ull.es\/portal\/cienciaull\/el-diseno-cambia-nuestras-vidas\/\" target=\"_blank\" rel=\"noopener\">El dise\u00f1o cambia nuestras vidas<\/a><\/li><li><a href=\"https:\/\/www.ull.es\/portal\/cienciaull\/parkinson-mas-alla-de-los-sintomas-motores\/\" target=\"_blank\" rel=\"noopener\">P\u00e1rkinson: m\u00e1s all\u00e1 de los s\u00edntomas motores<\/a><\/li><li><a href=\"https:\/\/www.ull.es\/portal\/cienciaull\/ciencia-para-combatir-la-sequia\/\" target=\"_blank\" rel=\"noopener\">Ciencia para combatir la sequ\u00eda<\/a><\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-82498e7 e-grid-align-left elementor-shape-rounded elementor-grid-0 elementor-widget elementor-widget-social-icons\" data-id=\"82498e7\" data-element_type=\"widget\" data-widget_type=\"social-icons.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.9.2 - 21-12-2022 *\/\n.elementor-widget-social-icons.elementor-grid-0 .elementor-widget-container,.elementor-widget-social-icons.elementor-grid-mobile-0 .elementor-widget-container,.elementor-widget-social-icons.elementor-grid-tablet-0 .elementor-widget-container{line-height:1;font-size:0}.elementor-widget-social-icons:not(.elementor-grid-0):not(.elementor-grid-tablet-0):not(.elementor-grid-mobile-0) .elementor-grid{display:inline-grid}.elementor-widget-social-icons 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\/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>La idea de que un rasgo \u201cadquirido\u201d pod\u00eda mantenerse en el material hereditario dentro de una raza o variedad de una especie es una idea antigua. Durante siglos fue usada para explicar cambios accidentales que no \u201calteraban la estabilidad de las especies\u201d. Fue a finales del siglo XVIII y principios del XIX que empez\u00f3 utilizarse para explicar la transformaci\u00f3n. Erasmus Darwin y J.B. Lamarck consideraron que la acumulaci\u00f3n \u201cde rasgos adquiridos\u201d generaba la transformaci\u00f3n de las especies.<\/p>\n<p><strong><a href=\"https:\/\/www.ull.es\/portal\/hipotesis\/numero-16\/\">#N\u00famero 16<\/a><a href=\"https:\/\/www.ull.es\/portal\/hipotesis\/seccion\/\"> #Secci\u00f3n<\/a> <a href=\"https:\/\/www.ull.es\/portal\/hipotesis\/ciencia-y-sociedad\/\">#Ciencia y Sociedad<\/a> <a href=\"https:\/\/www.ull.es\/portal\/hipotesis\/hipotesis\/\">#Hip\u00f3tesis<\/a><a href=\"https:\/\/www.ull.es\/portal\/hipotesis\/ricardo-noguera-solano\/\">#Ricardo Noguera Solano<\/a><\/strong><\/p>\n","protected":false},"author":56,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[130,325,315,47],"tags":[249,246,322,251,323,271,324],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Herencia de caracteres adquiridos - Hipotesis<\/title>\n<meta name=\"description\" content=\"La idea de que un rasgo \u201cadquirido\u201d pod\u00eda mantenerse en el material hereditario dentro de una raza o variedad de una especie es una idea antigua. Durante siglos fue usada para explicar cambios accidentales que no \u201calteraban la estabilidad de las especies\u201d. Fue a finales del siglo XVIII y principios del XIX que empez\u00f3 utilizarse para explicar la transformaci\u00f3n. Erasmus Darwin y J.B. 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Lamarck consideraron que la acumulaci\u00f3n \u201cde rasgos adquiridos\u201d generaba la transformaci\u00f3n de las especies.","og_url":"https:\/\/www.ull.es\/portal\/hipotesis\/herencia-de-caracteres-adquiridos\/","og_site_name":"Hipotesis","article_publisher":"https:\/\/www.facebook.com\/CienciaULL\/","article_published_time":"2024-07-11T09:07:48+00:00","article_modified_time":"2024-11-21T13:13:00+00:00","og_image":[{"url":"https:\/\/www.ull.es\/portal\/hipotesis\/wp-content\/uploads\/sites\/62\/2024\/06\/facebook-04-1.jpg"}],"author":"gciencia","twitter_card":"summary_large_image","twitter_creator":"@CienciaULL","twitter_site":"@CienciaULL","twitter_misc":{"Escrito por":"gciencia","Tiempo de lectura":"7 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.ull.es\/portal\/hipotesis\/herencia-de-caracteres-adquiridos\/","url":"https:\/\/www.ull.es\/portal\/hipotesis\/herencia-de-caracteres-adquiridos\/","name":"Herencia de caracteres adquiridos - Hipotesis","isPartOf":{"@id":"https:\/\/www.ull.es\/portal\/hipotesis\/#website"},"datePublished":"2024-07-11T09:07:48+00:00","dateModified":"2024-11-21T13:13:00+00:00","author":{"@id":"https:\/\/www.ull.es\/portal\/hipotesis\/#\/schema\/person\/aabbacf6b92db986f847d315495c9699"},"description":"La idea de que un rasgo \u201cadquirido\u201d pod\u00eda mantenerse en el material hereditario dentro de una raza o variedad de una especie es una idea antigua. 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