{"id":8601,"date":"2020-02-27T16:03:58","date_gmt":"2020-02-27T16:03:58","guid":{"rendered":"http:\/\/www.cutislaxa.org\/transmision-genetica\/"},"modified":"2020-02-27T16:10:51","modified_gmt":"2020-02-27T16:10:51","slug":"transmision-genetica","status":"publish","type":"post","link":"https:\/\/www.cutislaxa.org\/fr\/transmision-genetica\/","title":{"rendered":"TRANSMISSION GENETIQUE"},"content":{"rendered":"

Transmission g\u00e9n\u00e9tique<\/strong><\/p>\n

Nous sommes tous \u201cconstruits\u201d \u00e0 partir des chromosomes transmis par nos parents.<\/p>\n

La moiti\u00e9 de nos chromosomes vient de notre m\u00e8re, l\u2019autre vient de notre p\u00e8re. Nous avons en tout 23 paires de chromosomes. Les g\u00e8nes sont inscrits sur les chromosomes. Chaque maladie g\u00e9n\u00e9tique correspond \u00e0 un \u00ab\u00a0d\u00e9faut\u00a0\u00bb sur un (ou plusieurs) g\u00e8ne(s).\u00a0 Il y a deux \u00ab\u00a0mani\u00e8res\u00a0\u00bb de transmettre le g\u00e8ne d\u00e9fectueux\u00a0: Autosomale dominante et Autosomale r\u00e9cessive. Pour chaque grossesse <\/u>\u00a0il y a les m\u00eames risques de transmission.<\/p>\n

Autosomale Dominante<\/u><\/strong> Il suffit d\u2019un seul chromosome porteur d\u2019un g\u00e8ne d\u00e9fectueux pour que la maladie s\u2019exprime (se montre).<\/strong><\/p>\n

P\u00e8re (ou M\u00e8re)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0M\u00e8re (ou P\u00e8re)<\/p>\n

\"\" Enfants<\/p>\n

Un des deux parents est atteint d\u2019une maladie autosomale dominante. Il a un de ses deux chromosomes atteint du d\u00e9faut g\u00e9n\u00e9tique. Son corps\u00a0\u00abmontre la maladie\u00a0\u00bb, elle s\u2019exprime. Il y a 1 risque sur 2, \u00e0 chaque grossesse, qu\u2019il transmette le d\u00e9faut g\u00e9n\u00e9tique \u00e0 son enfant, et donc d\u2019avoir un enfant qui, lui-m\u00eame, exprime la maladie.<\/p>\n

Autosomale R\u00e9cessive.<\/u><\/strong> Il faut que les 2 chromosomes soient porteurs du g\u00e8ne d\u00e9fectueux pour que la maladie s\u2019exprime. Si un seul chromosome est atteint, on est \u00ab\u00a0porteur sain\u00a0\u00bb de la maladie, mais elle ne s\u2019exprime pas.<\/strong><\/p>\n

    \n
  1. A)<\/strong> Les deux parents sont \u00ab\u00a0porteurs sains\u00a0\u00bb<\/em><\/strong><\/li>\n<\/ol>\n

    P\u00e8re (ou M\u00e8re)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 M\u00e8re (ou P\u00e8re)<\/p>\n

    \"\" Enfants<\/p>\n

    A chaque grossesse, les risques sont les m\u00eames\u00a0:<\/p>\n

    –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1 risque sur 2 que l\u2019enfant soit porteur sain<\/p>\n

    –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1 chance sur 4 que l\u2019enfant n\u2019ait rien<\/p>\n

    –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1 risque sur 4 que l\u2019enfant exprime la maladie<\/p>\n

    ( Si un seul des deux parents est porteur sain, il n\u2019y a aucun risque d\u2019avoir un enfant exprimant la maladie et 1 risque sur 2 d\u2019avoir un enfant porteur sain)<\/p>\n

      \n
    1. B)\u00a0\u00a0\u00a0 Un des deux parents exprime la maladie <\/em><\/strong><\/li>\n<\/ol>\n

      P\u00e8re (ou m\u00e8re)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0M\u00e8re (ou p\u00e8re)<\/p>\n

      \"\"Enfants<\/p>\n

      Chaque grossesse fera na\u00eetre un enfant \u00ab\u00a0porteur sain\u00a0\u00bb .<\/p>\n","protected":false},"excerpt":{"rendered":"

      Transmission g\u00e9n\u00e9tique Nous sommes tous \u201cconstruits\u201d \u00e0 partir des chromosomes transmis par nos parents. La moiti\u00e9 de nos chromosomes vient de notre m\u00e8re, l\u2019autre vient de notre p\u00e8re. Nous avons en tout 23 paires de chromosomes. Les g\u00e8nes sont inscrits sur les chromosomes. Chaque maladie g\u00e9n\u00e9tique correspond \u00e0 un \u00ab\u00a0d\u00e9faut\u00a0\u00bb sur un (ou plusieurs) g\u00e8ne(s).\u00a0 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25],"tags":[],"class_list":["post-8601","post","type-post","status-publish","format-standard","hentry","category-non-classifiee"],"yoast_head":"\nTRANSMISSION GENETIQUE - CUTIS LAXA INTERNATIONALE<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cutislaxa.org\/transmision-genetica\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"TRANSMISSION GENETIQUE - CUTIS LAXA INTERNATIONALE\" \/>\n<meta property=\"og:description\" content=\"Transmission g\u00e9n\u00e9tique Nous sommes tous \u201cconstruits\u201d \u00e0 partir des chromosomes transmis par nos parents. La moiti\u00e9 de nos chromosomes vient de notre m\u00e8re, l\u2019autre vient de notre p\u00e8re. Nous avons en tout 23 paires de chromosomes. Les g\u00e8nes sont inscrits sur les chromosomes. Chaque maladie g\u00e9n\u00e9tique correspond \u00e0 un \u00ab\u00a0d\u00e9faut\u00a0\u00bb sur un (ou plusieurs) g\u00e8ne(s).\u00a0 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.cutislaxa.org\/transmision-genetica\/\" \/>\n<meta property=\"og:site_name\" content=\"CUTIS LAXA INTERNATIONALE\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/CutisLaxaAssociation\/\" \/>\n<meta property=\"article:published_time\" content=\"2020-02-27T16:03:58+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-02-27T16:10:51+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/www.cutislaxa.org\/wp-content\/uploads\/2020\/02\/TransGenDomin-300x172.jpg\" \/>\n<meta name=\"author\" content=\"Marie-Claude\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Marie-Claude\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.cutislaxa.org\/transmision-genetica\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.cutislaxa.org\/transmision-genetica\/\"},\"author\":{\"name\":\"Marie-Claude\",\"@id\":\"https:\/\/www.cutislaxa.org\/#\/schema\/person\/2b5e58dca5a6f412607f985f2823d045\"},\"headline\":\"TRANSMISSION GENETIQUE\",\"datePublished\":\"2020-02-27T16:03:58+00:00\",\"dateModified\":\"2020-02-27T16:10:51+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.cutislaxa.org\/transmision-genetica\/\"},\"wordCount\":346,\"publisher\":{\"@id\":\"https:\/\/www.cutislaxa.org\/#organization\"},\"articleSection\":[\"Non classifi\u00e9(e)\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.cutislaxa.org\/transmision-genetica\/\",\"url\":\"https:\/\/www.cutislaxa.org\/transmision-genetica\/\",\"name\":\"TRANSMISSION GENETIQUE - 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