B\u00e0i 3 (trang 58 SGK Sinh h\u1ecdc 12):\u00a0N\u00f3i: C\u00f4 \u1ea5y \u0111\u01b0\u1ee3c m\u1eb9 truy\u1ec1n cho t\u00ednh tr\u1ea1ng “m\u00e1 l\u00fam \u0111\u1ed3ng ti\u1ec1n” c\u00f3 ch\u00ednh x\u00e1c kh\u00f4ng? N\u1ebfu c\u1ea7n th\u00ec ph\u1ea3i s\u1eeda l\u1ea1i c\u00e2u n\u00f3i n\u00e0y nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/p>\nL\u1eddi gi\u1ea3i:<\/b><\/p>\n
N\u00f3i c\u00f4 \u1ea5y \u0111\u01b0\u1ee3c m\u1eb9 truy\u1ec1n cho t\u00ednh tr\u1ea1ng “m\u00e1 l\u00fam \u0111\u1ed3ng ti\u1ec1n” th\u1ef1c ra l\u00e0 kh\u00f4ng ch\u00ednh x\u00e1c. M\u1eb9 ch\u1ec9 truy\u1ec1n cho con th\u00f4ng tin quy \u0111\u1ecbnh vi\u1ec7c h\u00ecnh th\u00e0nh n\u00ean t\u00ednh tr\u1ea1ng “m\u00e1 l\u00fam \u0111\u1ed3ng ti\u1ec1n” d\u01b0\u1edbi d\u1ea1ng tr\u00ecnh t\u1ef1 c\u00e1c nucleotit x\u00e1c \u0111\u1ecbnh (alen) m\u00e0 kh\u00f4ng truy\u1ec1n cho con t\u00ednh tr\u1ea1ng \u0111\u00e3 c\u00f3 s\u1eb5n.<\/p>\n
B\u00e0i 4 (trang 58 SGK Sinh h\u1ecdc 12):\u00a0M\u1ed9t s\u1ed1 b\u00e0 con n\u00f4ng d\u00e2n \u0111\u00e3 mua h\u1ea1t ng\u00f4 lai c\u00f3 n\u0103ng su\u1ea5t cao v\u1ec1 tr\u1ed3ng nh\u01b0ng c\u00e2y ng\u00f4 l\u1ea1i kh\u00f4ng cho h\u1ea1t. Gi\u1ea3 s\u1eed c\u00f4ng ty gi\u1ed1ng \u0111\u00e3 cung c\u1ea5p h\u1ea1t gi\u1ed1ng \u0111\u00fang ti\u00eau chu\u1ea9n. H\u00e3y gi\u1ea3i th\u00edch nguy\u00ean nh\u00e2n d\u1eabn \u0111\u1ebfn t\u00ednh tr\u1ea1ng c\u00e2y ng\u00f4 kh\u00f4ng cho h\u1ea1t trong tr\u01b0\u1eddng h\u1ee3p tr\u00ean.<\/strong><\/p>\nL\u1eddi gi\u1ea3i:<\/b><\/p>\n
M\u1ed7i gi\u1ed1ng c\u00e2y tr\u1ed3ng \u0111\u1ec1u \u0111\u00f2i h\u1ecfi m\u1ed9t lo\u1ea1t c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng th\u00edch h\u1ee3p (nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m, \u00e1nh s\u00e1ng, ngu\u1ed3n n\u01b0\u1edbc\u2026). Vi\u1ec7c gi\u1ed1ng ng\u00f4 lai kh\u00f4ng cho thu ho\u1ea1ch ho\u1eb7c n\u0103ng su\u1ea5t qu\u00e1 th\u1ea5p so v\u1edbi y\u00eau c\u1ea7u c\u00f3 th\u1ec3 l\u00e0 do ch\u00fang \u0111\u01b0\u1ee3c gieo tr\u1ed3ng trong \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft kh\u00f4ng th\u00edch h\u1ee3p.<\/p>\n
\n
<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
B\u00e0i 1 (trang 58 SGK Sinh h\u1ecdc 12):\u00a0Th\u1ebf n\u00e0o l\u00e0 m\u1ee9c ph\u1ea3n \u1ee9ng c\u1ee7a m\u1ed9t ki\u1ec3u gen? L\u1eddi gi\u1ea3i: M\u1ee9c ph\u1ea3n \u1ee9ng c\u1ee7a m\u1ed9t ki\u1ec3u gen l\u00e0 t\u1eadp h\u1ee3p c\u00e1c ki\u1ec3u h\u00ecnh c\u1ee7a c\u00f9ng m\u1ed9t ki\u1ec3u gen t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau. B\u00e0i 2 (trang 58 SGK Sinh h\u1ecdc 12):\u00a0Mu\u1ed1n nghi\u00ean c\u1ee9u […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[1307],"tags":[1397,1398],"yoast_head":"\n
Ph\u1ea7n N\u0103m - Ch\u01b0\u01a1ng 2 - B\u00e0i 13: \u1ea2nh h\u01b0\u1edfng c\u1ee7a m\u00f4i tr\u01b0\u1eddng l\u00ean s\u1ef1 bi\u1ec3u hi\u1ec7n c\u1ee7a gen<\/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:\/\/lop12.edu.vn\/phan-nam-chuong-2-bai-13-anh-huong-cua-moi-truong-len-su-bieu-hien-cua-gen\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ph\u1ea7n N\u0103m - Ch\u01b0\u01a1ng 2 - B\u00e0i 13: \u1ea2nh h\u01b0\u1edfng c\u1ee7a m\u00f4i tr\u01b0\u1eddng l\u00ean s\u1ef1 bi\u1ec3u hi\u1ec7n c\u1ee7a gen\" \/>\n<meta property=\"og:description\" content=\"B\u00e0i 1 (trang 58 SGK Sinh h\u1ecdc 12):\u00a0Th\u1ebf n\u00e0o l\u00e0 m\u1ee9c ph\u1ea3n \u1ee9ng c\u1ee7a m\u1ed9t ki\u1ec3u gen? L\u1eddi gi\u1ea3i: M\u1ee9c ph\u1ea3n \u1ee9ng c\u1ee7a m\u1ed9t ki\u1ec3u gen l\u00e0 t\u1eadp h\u1ee3p c\u00e1c ki\u1ec3u h\u00ecnh c\u1ee7a c\u00f9ng m\u1ed9t ki\u1ec3u gen t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau. 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L\u1eddi gi\u1ea3i: M\u1ee9c ph\u1ea3n \u1ee9ng c\u1ee7a m\u1ed9t ki\u1ec3u gen l\u00e0 t\u1eadp h\u1ee3p c\u00e1c ki\u1ec3u h\u00ecnh c\u1ee7a c\u00f9ng m\u1ed9t ki\u1ec3u gen t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau. 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