{"common":{"save":0,"post_id":"8713","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"10717","post_id":"8713","mon_id":"1159533","chapter_id":"1159701","question":"<p data-pm-slice=\"1 1 []\">Có bao nhiêu phát bi\u1ec3u sau \u0111ây \u0111úng khi nói v\u1ec1 \u0111\u1ed9t bi\u1ebfn c\u1ea5u trúc NST?<\/p><p>S\u1ef1 trao \u0111\u1ed5i chéo không cân gi\u1eefa hai NST cùng c\u1eb7p t\u01b0\u01a1ng \u0111\u1ed3ng d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng l\u1eb7p \u0111o\u1ea1n và m\u1ea5t \u0111o\u1ea1n NST.<\/p><p>\u0110\u1ed9t bi\u1ebfn m\u1ea5t \u0111o\u1ea1n này làm thay \u0111\u1ed5i hình thái c\u1ee7a NST.<\/p><p>\u0110\u1ed9t bi\u1ebfn câu trúc NST c\u0169ng có th\u1ec3 d\u1eabn \u0111\u1ebfn ung th\u01b0.<\/p><p>Th\u01b0\u1eddng có l\u1ee3i cho th\u1ec3 \u0111\u1ed9t bi\u1ebfn.<\/p>","options":["A. 4.","B. 3.","C. 2.","D. 1."],"correct":"3","level":"3","hint":"<p data-end=\"120\" data-start=\"35\">Xem xét t\u1eebng phát bi\u1ec3u d\u1ef1a trên ki\u1ebfn th\u1ee9c v\u1ec1 \u0111\u1ed9t bi\u1ebfn c\u1ea5u trúc nhi\u1ec5m s\u1eafc th\u1ec3 (NST):<\/p><p data-end=\"165\" data-start=\"123\">\u0110\u1ed9t bi\u1ebfn nào gây thay \u0111\u1ed5i hình thái NST?<\/p><p data-end=\"225\" data-start=\"168\">\u0110\u1ed9t bi\u1ebfn có th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kh\u1ecfe, gây b\u1ec7nh không?<\/p><p data-end=\"278\" data-start=\"228\">\u0110\u1ed9t bi\u1ebfn có l\u1ee3i hay th\u01b0\u1eddng gây h\u1ea1i cho sinh v\u1eadt?<\/p>","answer":"<p>\u0110áp án \u0111úng: <strong>C. 2.<\/strong><\/p><p data-end=\"459\" data-start=\"338\"> <strong data-end=\"348\" data-start=\"340\">\u0110úng<\/strong> – "S\u1ef1 trao \u0111\u1ed5i chéo không cân gi\u1eefa hai NST cùng c\u1eb7p t\u01b0\u01a1ng \u0111\u1ed3ng d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng l\u1eb7p \u0111o\u1ea1n và m\u1ea5t \u0111o\u1ea1n NST."<\/p><p data-end=\"533\" data-start=\"463\"> <strong data-end=\"473\" data-start=\"465\">\u0110úng<\/strong> – "\u0110\u1ed9t bi\u1ebfn m\u1ea5t \u0111o\u1ea1n này làm thay \u0111\u1ed5i hình thái c\u1ee7a NST."<\/p><p data-end=\"711\" data-start=\"537\"> <strong data-end=\"546\" data-start=\"539\">Sai<\/strong> – "\u0110\u1ed9t bi\u1ebfn c\u1ea5u trúc NST c\u0169ng có th\u1ec3 d\u1eabn \u0111\u1ebfn ung th\u01b0." → Không ph\u1ea3i t\u1ea5t c\u1ea3 \u0111\u1ed9t bi\u1ebfn c\u1ea5u trúc NST \u0111\u1ec1u gây ung th\u01b0, ph\u1ea7n l\u1edbn ung th\u01b0 liên quan \u0111\u1ebfn \u0111\u1ed9t bi\u1ebfn gen h\u01a1n.<\/p><p data-end=\"817\" data-start=\"715\"> <strong data-end=\"724\" data-start=\"717\">Sai<\/strong> – "Th\u01b0\u1eddng có l\u1ee3i cho th\u1ec3 \u0111\u1ed9t bi\u1ebfn." → \u0110\u1ed9t bi\u1ebfn c\u1ea5u trúc NST <strong data-end=\"802\" data-start=\"785\">th\u01b0\u1eddng có h\u1ea1i<\/strong> h\u01a1n là có l\u1ee3i.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"127","test":"0","date":"2025-04-03 07:37:49","option_type":"txt","len":0},{"id":"10718","post_id":"8713","mon_id":"1159533","chapter_id":"1159701","question":"<p>M\u1ed9t h\u1ecdc sinh khi quan sát s\u01a1 \u0111\u1ed3 \u0111ã \u0111\u01b0a ra các k\u1ebft lu\u1eadn sau:<\/p><p>S\u01a1 \u0111\u1ed3 trên mô t\u1ea3 hi\u1ec7n t\u01b0\u1ee3ng trao \u0111\u1ed5i chéo không cân b\u1eb1ng gi\u1eefa các nhi\u1ec5m s\u1eafc th\u1ec3 trong c\u1eb7p NST t\u01b0\u01a1ng \u0111\u1ed3ng.<br \/>\u0110\u1ed9t bi\u1ebfn này có vai trò quan tr\u1ecdng trong quá trình hình thành loài m\u1edbi.<br \/>\u0110\u1ed9t bi\u1ebfn này có th\u1ec3 làm thay \u0111\u1ed5i hình d\u1ea1ng và kích th\u01b0\u1edbc NST.<br \/>\u0110\u1ed9t bi\u1ebfn này làm thay \u0111\u1ed5i nhóm liên k\u1ebft gene.<br \/>Cá th\u1ec3 mang \u0111\u1ed9t bi\u1ebfn này th\u01b0\u1eddng b\u1ecb gi\u1ea3m kh\u1ea3 n\u0103ng sinh s\u1ea3n.<br \/>Có bao nhiêu k\u1ebft lu\u1eadn \u0111úng v\u1ec1 tr\u01b0\u1eddng h\u1ee3p \u0111\u1ed9t bi\u1ebfn trên?<\/p><p>A. 4.<br \/>B. 2.<br \/>C. 3.<br \/>D. 5.<\/p>","options":["A. 4.","B. 2.","C. 3.","D. 5."],"correct":"1","level":"3","hint":"<p>Hãy phân tích c\u01a1 ch\u1ebf c\u1ee7a \u0111\u1ed9t bi\u1ebfn trong s\u01a1 \u0111\u1ed3 và xem xét các \u0111\u1eb7c \u0111i\u1ec3m sau:<\/p><p data-end=\"168\" data-start=\"118\">\u0110\u1ed9t bi\u1ebfn này có làm thay \u0111\u1ed5i c\u1ea5u trúc NST không?<\/p><p data-end=\"217\" data-start=\"171\">Nó \u1ea3nh h\u01b0\u1edfng th\u1ebf nào \u0111\u1ebfn nhóm liên k\u1ebft gene?<\/p><p data-end=\"300\" data-start=\"220\">Li\u1ec7u có tác \u0111\u1ed9ng \u0111\u1ebfn quá trình ti\u1ebfn hóa và kh\u1ea3 n\u0103ng sinh s\u1ea3n c\u1ee7a cá th\u1ec3 không?<\/p>","answer":"<p data-end=\"115\" data-start=\"39\">\u0110áp án \u0111úng:<strong> A. 4.<\/strong><\/p><p data-end=\"542\" data-start=\"477\"><strong data-end=\"485\" data-start=\"477\">\u0110úng<\/strong> – \u0110ây là k\u1ebft qu\u1ea3 c\u1ee7a <strong data-end=\"539\" data-start=\"507\">trao \u0111\u1ed5i chéo không cân b\u1eb1ng<\/strong>.<\/p><p data-end=\"653\" data-start=\"546\"><strong data-end=\"554\" data-start=\"546\">\u0110úng<\/strong> – \u0110\u1ed9t bi\u1ebfn này có th\u1ec3 t\u1ea1o ra v\u1eadt ch\u1ea5t di truy\u1ec1n m\u1edbi, góp ph\u1ea7n vào quá trình hình thành loài m\u1edbi.<\/p><p data-end=\"747\" data-start=\"657\"><strong data-end=\"665\" data-start=\"657\">\u0110úng<\/strong> – Do thay \u0111\u1ed5i s\u1ed1 l\u01b0\u1ee3ng \u0111o\u1ea1n DNA, hình d\u1ea1ng và kích th\u01b0\u1edbc NST c\u0169ng b\u1ecb \u1ea3nh h\u01b0\u1edfng.<\/p><p data-end=\"825\" data-start=\"751\"><strong data-end=\"759\" data-start=\"751\">\u0110úng<\/strong> – Vì có s\u1ef1 m\u1ea5t \u0111o\u1ea1n ho\u1eb7c l\u1eb7p \u0111o\u1ea1n, nhóm liên k\u1ebft gene thay \u0111\u1ed5i.<\/p><p data-end=\"940\" data-start=\"829\"><strong data-end=\"836\" data-start=\"829\">Sai<\/strong> – M\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p có th\u1ec3 gi\u1ea3m kh\u1ea3 n\u0103ng sinh s\u1ea3n, nh\u01b0ng không ph\u1ea3i lúc nào c\u0169ng \u0111úng v\u1edbi m\u1ecdi cá th\u1ec3.<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"127","test":"0","date":"2025-04-03 07:44:33","option_type":"txt","len":0},{"id":"10719","post_id":"8713","mon_id":"1159533","chapter_id":"1159701","question":"<p>\u1ede m\u1ed9t l\u1eddi \u0111\u1ed9ng v\u1eadt ng\u01b0\u1eddi ta phát hi\u1ec7n ra 4 nòi có trình t\u1ef1 các gene trên NST s\u1ed1 III nh\u01b0 sau:<\/p><p>ABCDEFGHI<br \/>HEFBACDI<br \/>ABFEDCGHI<br \/>ABFEHGCDI<br \/>Cho bi\u1ebft 1 nòi là góc, m\u1ed7i nòi còn l\u1ea1i \u0111\u01b0\u1ee3c phát sinh do 1 \u0111\u1ed9t bi\u1ebfn \u0111\u1ea3o \u0111o\u1ea1n. Trình t\u1ef1 \u0111úng s\u1ef1 phát sinh các nòi trên là:<\/p>","options":["A. 1→3→2→4.","B. 1→3→4→2.","C. 1→4→3→3.","D. 1→2→4→3."],"correct":"2","level":"3","hint":"<p data-end=\"177\" data-start=\"39\">Hãy tìm <strong data-end=\"58\" data-start=\"47\">nòi g\u1ed1c<\/strong> có trình t\u1ef1 gene nguyên v\u1eb9n nh\u1ea5t, sau \u0111ó xác \u0111\u1ecbnh các nòi còn l\u1ea1i b\u1eb1ng cách xem xét các \u0111o\u1ea1n b\u1ecb \u0111\u1ea3o ng\u01b0\u1ee3c t\u1eebng b\u01b0\u1edbc.<\/p><h3 data-end=\"215\" data-start=\"179\"> <\/h3>","answer":"<p>\u0110áp án \u0111úng: <strong>B. 1→3→4→2.<\/strong><\/p><p data-end=\"280\" data-start=\"216\">Nòi g\u1ed1c là <strong data-end=\"240\" data-start=\"227\">ABCDEFGHI<\/strong> vì có trình t\u1ef1 gene không b\u1ecb \u0111\u1ea3o l\u1ed9n.<\/p><p data-end=\"340\" data-start=\"283\"><strong data-end=\"293\" data-start=\"283\">B\u01b0\u1edbc 1<\/strong>: <strong data-end=\"308\" data-start=\"295\">ABFEDCGHI<\/strong> (\u0111\u1ed9t bi\u1ebfn \u0111\u1ea3o \u0111o\u1ea1n <strong data-end=\"336\" data-start=\"328\">CDEF<\/strong>).<\/p><p data-end=\"399\" data-start=\"343\"><strong data-end=\"353\" data-start=\"343\">B\u01b0\u1edbc 2<\/strong>: <strong data-end=\"368\" data-start=\"355\">ABFEHGCDI<\/strong> (\u0111\u1ed9t bi\u1ebfn \u0111\u1ea3o \u0111o\u1ea1n <strong data-end=\"395\" data-start=\"388\">GHC<\/strong>).<\/p><p data-end=\"459\" data-start=\"402\"><strong data-end=\"412\" data-start=\"402\">B\u01b0\u1edbc 3<\/strong>: <strong data-end=\"426\" data-start=\"414\">HEFBACDI<\/strong> (\u0111\u1ed9t bi\u1ebfn \u0111\u1ea3o \u0111o\u1ea1n <strong data-end=\"455\" data-start=\"446\">HEFBA<\/strong>).<\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"127","test":"0","date":"2025-04-03 07:51:17","option_type":"txt","len":2}]}