Xem th\u00eam: \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n Sinh<\/p>\n<\/div>\n
C\u00e2u 8:<\/strong>D\u1ea1ng n\u00e0o sau \u0111\u00e2y \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t sinh v\u1eadt chuy\u1ec3n gen?<\/p>\n \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0:<\/p>\n A.1 v\u00e0 3,6 B. 3 v\u00e0 5 C.4 v\u00e0 5 D.2 v\u00e0 3,5<\/p>\n C\u00e2u 9:<\/strong>\u1ede ng\u01b0\u1eddi gen A: ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c m\u00f9i v\u1ecb. Gen a: kh\u00f4ng ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c m\u00f9i v\u1ecb. N\u1ebfu trong 1 c\u1ed9ng \u0111\u1ed3ng t\u1ea7n s\u1ed1 alen a=0,3 th\u00ec x\u00e1c su\u1ea5t c\u1ee7a m\u1ed9t c\u1eb7p v\u1ee3 ch\u1ed3ng \u0111\u1ec1u ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c m\u00f9i v\u1ecb c\u00f3 th\u1ec3 sinh 3 con trong \u0111\u00f3 2 con trai ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c m\u00f9i v\u1ecb v\u00e0 1 con g\u00e1i kh\u00f4ng ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c m\u00f9i v\u1ecb l\u00e0?<\/p>\n A. 1,97% B.9,94% C.52% D.1,12%<\/p>\n C\u00e2u 10<\/strong>: C\u00e1c nh\u00e2n t\u1ed1 ti\u1ebfn h\u00f3a ph\u00e1t huy vai tr\u00f2 ch\u1ee7 y\u1ebfu trong qu\u1ea7n th\u1ec3 c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf nh\u1ecf l\u00e0:<\/p>\n A. \u0110\u1ed9t bi\u1ebfn, di nh\u1eadp gen B. \u0110\u1ed9t bi\u1ebfn, c\u00e1c y\u1ebfu t\u1ed1 ng\u1eabu nhi\u00ean<\/p>\n C.\u0110\u1ed9t bi\u1ebfn, CLTN D. Di nh\u1eadp gen, c\u00e1c y\u1ebfu t\u1ed1 ng\u1eabu nhi\u00ean<\/p>\n C\u00e2u 11<\/strong>: Ngu\u1ed3n nguy\u00ean li\u1ec7u th\u1ee9 c\u1ea5p c\u1ee7a qu\u00e1 tr\u00ecnh ti\u00eau h\u00f3a l\u00e0<\/p>\n A. \u0110\u1ed9t bi\u1ebfn B.ngu\u1ed3n gen di nh\u1eadp C.bi\u1ebfn d\u1ecb t\u1ed5 h\u1ee3p D. qu\u00e1 tr\u00ecnh giao ph\u1ed1i<\/p>\n C\u00e2u 12<\/strong>: \u0110\u1ec3 nh\u00e2n c\u00e1c gi\u1ed1ng lan qu\u00fd, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u00e2y c\u1ea3nh \u0111\u00e3 \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p<\/p>\n A. Nh\u00e2n b\u1ea3n v\u00f4 t\u00ednh B. nu\u00f4i c\u1ea5y t\u1ebf b\u00e0o, m\u00f4 th\u1ef1c v\u1eadt<\/p>\n C.dung h\u1ee3p t\u1ebf b\u00e0o tr\u1ea7n D. nu\u00f4i c\u1ea5y h\u1ea1t ph\u1ea5n v\u00e0 no\u00e3n ch\u01b0a th\u1ee5 tinh<\/p>\n <\/p>\n <\/strong><\/p>\n <\/strong><\/p>\n T\u1ea5t c\u1ea3 n\u1ed9i dung b\u00e0i vi\u1ebft. C\u00e1c em h\u00e3y xem th\u00eam v\u00e0 t\u1ea3i file chi ti\u1ebft t\u1ea1i \u0111\u00e2y:<\/strong>Download<\/p>\n","protected":false},"excerpt":{"rendered":" \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n Sinh n\u0103m 2016, THPT L\u00fd Th\u00e1i T\u1ed5 t\u1ec9nh B\u1eafc Ninh t\u1ed5 ch\u1ee9c thi th\u1eed l\u1ea7n 2 . C\u00e1c em tham kh\u1ea3o \u0111\u1ec1 thi v\u00e0 \u0111\u00e1p \u00e1n b\u00ean d\u01b0\u1edbi: Xem th\u00eam: \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n Sinh C\u00e2u 8:D\u1ea1ng n\u00e0o sau \u0111\u00e2y \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t sinh […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[129],"tags":[],"yoast_head":"\n\u0110\u00e1p \u00e1n \u0111\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n Sinh n\u0103m 2016 – THPT L\u00fd Th\u00e1i T\u1ed5 L\u1ea7n 2<\/strong><\/h3>\n