{"id":742,"date":"2026-03-12T17:26:26","date_gmt":"2026-03-12T16:26:26","guid":{"rendered":"https:\/\/biotechlerncenter.iph-multisite.berta-bewegt.ch\/?page_id=742"},"modified":"2026-03-13T17:26:26","modified_gmt":"2026-03-13T16:26:26","slug":"1-un-principe-du-genie-genetique","status":"publish","type":"page","link":"https:\/\/biotechlerncenter.iph-multisite.berta-bewegt.ch\/fr\/sujets\/cloner\/1-un-principe-du-genie-genetique\/","title":{"rendered":"1. Un principe du g\u00e9nie g\u00e9n\u00e9tique"},"content":{"rendered":"\n<p>\u00abCloner\u00bb fait le plus souvent penser \u00e0 la brebis \u00abDolly\u00bb, le premier mammif\u00e8re clon\u00e9 ou encore au film \u00abLa guerre des \u00e9toiles- l&rsquo;attaque des clones\u00bb. On s&rsquo;imagine ordinairement qu&rsquo;il s&rsquo;agit du d\u00e9doublement de l&rsquo;individu effectu\u00e9 techniquement. Mais cloner est plus que cela. Les clones sont tr\u00e8s r\u00e9pandus dans la nature par le fait qu&rsquo;ils se multiplient rapidement\u00a0 de fa\u00e7on asexu\u00e9e. La plupart des organismes unicellulaires ainsi que de nombreuses plantes telles que les fraisiers ne se multiplient que par clones. Ce genre de reproduction est la plus ancienne forme de multiplication puisque les premiers organismes terrestres \u00e9taient unicellulaires. Dans l&rsquo;agriculture, le clonage est une m\u00e9thode efficace dans le but d&rsquo;obtenir, par exemple, une sorte de pomme bien pr\u00e9cise.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"http:\/\/biotechlerncenter.iph-multisite.berta-bewegt.ch\/wp-content\/uploads\/sites\/4\/2020\/01\/istock_erdbeeren_900.jpg\" alt=\"\" class=\"wp-image-3685\"\/><figcaption>De nombreuses plantes telles que les fraisiers se multiplient par clonage.<br>\u00a9 istockphoto<\/figcaption><\/figure>\n\n\n\n<p>Les individus peuvent \u00eatre les clones l&rsquo;un de l&rsquo;autre comme dans le cas de jumeaux uniovulaires. Les jumeaux uniovulaires (monozygotes) r\u00e9sultent d&rsquo;une division de l&#8217;embryon dans le ventre maternel. Par d\u00e9finition, un clone est un groupe d&rsquo;individus ou de cellules g\u00e9n\u00e9tiquement identiques issu d&rsquo;un pr\u00e9curseur commun.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"http:\/\/biotechlerncenter.iph-multisite.berta-bewegt.ch\/wp-content\/uploads\/sites\/4\/2020\/01\/istock_zwillinge_900.jpg\" alt=\"\" class=\"wp-image-3688\"\/><figcaption>Les jumeaux uniovulaires sont des clones.<br>\u00a9 istockphoto<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u00abCloner\u00bb fait le plus souvent penser \u00e0 la brebis \u00abDolly\u00bb, le premier mammif\u00e8re clon\u00e9 ou encore au film \u00abLa guerre des \u00e9toiles- l&rsquo;attaque des clones\u00bb. On s&rsquo;imagine ordinairement qu&rsquo;il s&rsquo;agit du d\u00e9doublement de l&rsquo;individu effectu\u00e9 techniquement. Mais cloner est plus que cela. Les clones sont tr\u00e8s r\u00e9pandus dans la nature par le fait qu&rsquo;ils se [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":782,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-templates\/unterthema.php","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-742","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>1. Un principe du g\u00e9nie g\u00e9n\u00e9tique - biotechlerncenter<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"1. Un principe du g\u00e9nie g\u00e9n\u00e9tique - biotechlerncenter\" \/>\n<meta property=\"og:description\" content=\"\u00abCloner\u00bb fait le plus souvent penser \u00e0 la brebis \u00abDolly\u00bb, le premier mammif\u00e8re clon\u00e9 ou encore au film \u00abLa guerre des \u00e9toiles- l&rsquo;attaque des clones\u00bb. On s&rsquo;imagine ordinairement qu&rsquo;il s&rsquo;agit du d\u00e9doublement de l&rsquo;individu effectu\u00e9 techniquement. Mais cloner est plus que cela. 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