{"id":15292,"date":"2021-11-27T17:51:05","date_gmt":"2021-11-27T10:51:05","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=15292"},"modified":"2021-11-27T17:51:06","modified_gmt":"2021-11-27T10:51:06","slug":"tai-sao-co-nguoi-co-nhieu-ngon-tay-hoac-nhieu-ngon-chan","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/tai-sao-co-nguoi-co-nhieu-ngon-tay-hoac-nhieu-ngon-chan\/","title":{"rendered":"T\u1ea1i sao c\u00f3 ng\u01b0\u1eddi c\u00f3 nhi\u1ec1u ng\u00f3n tay ho\u1eb7c nhi\u1ec1u ng\u00f3n ch\u00e2n?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 8 &#8211; Arkady Leokum<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed7i ng\u01b0\u1eddi ch\u1ec9 c\u00f3 n\u0103m ng\u00f3n tay tr\u00ean m\u1ed9t b\u00e0n tay, nh\u01b0ng c\u00f3 nh\u1eefng ng\u01b0\u1eddi l\u1ea1i c\u00f3 s\u00e1u th\u1eadm ch\u00ed b\u1ea3y ng\u00f3n tay ho\u1eb7c ng\u00f3n ch\u00e2n. T\u1ea1i sao v\u1eady?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 m\u1ed9t lo\u1ea1i b\u1ec7nh mang t\u00ednh di truy\u1ec1n t\u1eeb \u0111\u1eddi tr\u01b0\u1edbc (cha m\u1eb9) cho \u0111\u1eddi sau. B\u1ec7nh n\u00e0y di truy\u1ec1n nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eeb ph\u00f4i thai ban \u0111\u1ea7u, t\u1ebf b\u00e0o ph\u00e1t tri\u1ec3n, ph\u00e2n t\u00e1ch, sinh s\u00f4i n\u1ea3y n\u1edf, h\u00ecnh th\u00e0nh t\u1ed5 ch\u1ee9c, c\u00e1c b\u1ed9 m\u00e1y, cu\u1ed1i c\u00f9ng l\u1edbn l\u00ean th\u00e0nh ng\u01b0\u1eddi. T\u1ebf b\u00e0o do nh\u00e2n t\u1ebf b\u00e0o v\u00e0 d\u1ecbch t\u1ebf b\u00e0o h\u1ee3p th\u00e0nh, ch\u1ea5t ch\u1ee7 y\u1ebfu c\u1ee7a nh\u00e2n t\u1ebf b\u00e0o l\u00e0 46 c\u1eb7p nhi\u1ec5m s\u1eafc th\u1ec3, trong \u0111\u00f3 23 c\u1eb7p c\u1ee7a cha 23 c\u1eb7p c\u1ee7a m\u1eb9. Ch\u1ea5t c\u01a1 b\u1ea3n h\u1ee3p th\u00e0nh nhi\u1ec5m s\u1eafc th\u1ec3 l\u00e0 DNA (deoxyribonucleic acid) do b\u1ed1n ph\u00e2n t\u1eed s\u1eafp x\u1ebfp kh\u00f4ng gi\u1ed1ng nhau h\u1ee3p th\u00e0nh gien trong c\u01a1 th\u1ec3, c\u00f3 gien di truy\u1ec1n chi\u1ec1u cao, c\u00f3 gien di truy\u1ec1n m\u00e0u da tr\u1eafng hay \u0111en, c\u00f3 gien di truy\u1ec1n h\u00ecnh \u1ea3nh kh\u00f4ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a \u0111\u1eddi tr\u01b0\u1edbc ho\u1eb7c c\u00e1c b\u1ec7nh\u2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ng\u01b0\u1eddi c\u00f3 nhi\u1ec1u ng\u00f3n tay ho\u1eb7c ng\u00f3n ch\u00e2n nh\u1ea5t \u0111\u1ecbnh l\u00e0 do gien di truy\u1ec1n c\u1ee7a cha ho\u1eb7c m\u1eb9. N\u1ebfu nh\u01b0 m\u1ed9t ng\u01b0\u1eddi c\u00f3 gien lo\u1ea1i n\u00e0y k\u1ebft h\u00f4n v\u1edbi ng\u01b0\u1eddi b\u00ecnh th\u01b0\u1eddng, th\u1ec3 n\u00e0o trong s\u1ed1 con trai hay con g\u00e1i c\u1ee7a h\u1ecd c\u0169ng c\u00f3 m\u1ed9t n\u1eeda mang gien lo\u1ea1i n\u00e0y, m\u1ed9t n\u1eeda kia th\u00ec kh\u00f4ng c\u00f3. T\u1ea1i sao c\u00f3 ng\u01b0\u1eddi c\u00f3 nhi\u1ec1u ng\u00f3n tay ho\u1eb7c ng\u00f3n ch\u00e2n, m\u00e0 cha m\u1eb9 h\u1ecd \u0111\u1ec1u kh\u00f4ng c\u00f3 nhi\u1ec1u ng\u00f3n tay ho\u1eb7c ng\u00f3n ch\u00e2n?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nghi\u00ean c\u1ee9u ph\u00e1t hi\u1ec7n: v\u1ed1n l\u00e0 cha m\u1eb9 c\u1ee7a h\u1ecd c\u00f3 m\u1ed9t ng\u01b0\u1eddi mang lo\u1ea1i gien n\u00e0y, nh\u01b0ng trong nh\u1eefng ng\u01b0\u1eddi mang gien c\u00f3 nhi\u1ec1u ng\u00f3n tay ho\u1eb7c ng\u00f3n ch\u00e2n th\u00ec c\u00f3 25-30% c\u00f3 th\u1ec3 kh\u00f4ng xu\u1ea5t hi\u1ec7n nhi\u1ec1u ng\u00f3n tay ho\u1eb7c ng\u00f3n ch\u00e2n. C\u00f3 nhi\u1ec1u ng\u00f3n tay ho\u1eb7c ng\u00f3n ch\u00e2n l\u00e0 m\u1ed9t trong 3.000 lo\u1ea1i b\u1ec7nh kh\u00e1c nhau thu\u1ed9c v\u1ec1 t\u00ednh di truy\u1ec1n; c\u00f2n c\u00f3 ng\u01b0\u1eddi l\u1ea1i b\u1ecb c\u00e1c ng\u00f3n d\u00ednh li\u1ec1n nhau, h\u00ecnh d\u1ea1ng nh\u01b0 b\u00e0n ch\u00e2n v\u1ecbt\u2026<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 8 &#8211; Arkady Leokum M\u1ed7i ng\u01b0\u1eddi ch\u1ec9 c\u00f3 n\u0103m ng\u00f3n tay tr\u00ean m\u1ed9t b\u00e0n tay, nh\u01b0ng c\u00f3 nh\u1eefng ng\u01b0\u1eddi l\u1ea1i c\u00f3 s\u00e1u th\u1eadm ch\u00ed b\u1ea3y ng\u00f3n tay ho\u1eb7c ng\u00f3n ch\u00e2n. T\u1ea1i sao v\u1eady? \u0110\u00e2y l\u00e0 m\u1ed9t lo\u1ea1i b\u1ec7nh mang t\u00ednh di truy\u1ec1n t\u1eeb [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15],"tags":[],"class_list":["post-15292","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15292","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=15292"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15292\/revisions"}],"predecessor-version":[{"id":15293,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15292\/revisions\/15293"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=15292"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=15292"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=15292"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}