Nh\u00e2n b\u1ea3n v\u1ed1n l\u00e0 m\u1ed9t k\u0129 thu\u1eadt sinh v\u1eadt r\u1ea5t \u00edt g\u1eb7p, cho d\u00f9 l\u00e0 c\u00e1c nh\u00e0 sinh v\u1eadt h\u1ecdc c\u0169ng ch\u01b0a ch\u1eafc \u0111\u00e3 hi\u1ec3u h\u1ebft v\u1ec1 n\u00f3. B\u1edfi v\u00ec s\u1ef1 ph\u00e2n c\u00f4ng khoa h\u1ecdc k\u0129 thu\u1eadt l\u1ea1i c\u00e0ng ng\u00e0y c\u00e0ng k\u0129 l\u01b0\u1ee1ng, ng\u01b0\u1eddi c\u00f9ng ng\u00e0nh c\u0169ng s\u1ebd c\u00f3 c\u1ea3m gi\u00e1c “kh\u00e1c ng\u00e0nh nh\u01b0 anh em c\u00f9ng cha kh\u00e1c m\u1eb9”.<\/p>\n\n\n\n
Nh\u01b0ng th\u00e1ng 2 n\u0103m 1997, sau khi tin t\u1ee9c m\u1ed9t ch\u00fa c\u1eebu l\u00e0 \u0110\u00f4-li th\u00f4ng qua k\u0129 thu\u1eadt nh\u00e2n b\u1ea3n \u0111\u00e3 ra \u0111\u1eddi \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i, l\u1eadp t\u1ee9c nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 ch\u00fa \u00fd \u1edf kh\u1eafp n\u01a1i tr\u00ean th\u1ebf gi\u1edbi. T\u1eeb \u0111\u00f3, nh\u00e2n b\u1ea3n \u0111\u00e3 tr\u1edf th\u00e0nh ch\u1ee7 \u0111\u1ec1 h\u1ea5p d\u1eabn \u0111\u1ed1i v\u1edbi m\u1ecdi ng\u01b0\u1eddi.<\/p>\n\n\n\n
Nh\u00e2n b\u1ea3n l\u00e0 d\u1ecbch theo t\u1eeb ti\u1ebfng Anh clone. Nguy\u00ean ngh\u0129a c\u1ee7a n\u00f3 l\u00e0 ch\u1ec9 nh\u1eefng m\u1ea7m non v\u00e0 nh\u1eefng c\u00e0nh non d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p sinh s\u1ea3n v\u00f4 t\u00ednh ho\u1eb7c sinh s\u1ea3n dinh d\u01b0\u1ee1ng \u0111\u1ec3 c\u1ea5y th\u1ef1c v\u1eadt. C\u00f9ng v\u1edbi s\u1ef1 chuy\u1ec3n d\u1ecbch c\u1ee7a th\u1eddi gian, n\u1ed9i h\u00e0m c\u1ee7a nh\u00e2n b\u1ea3n \u0111\u00e3 \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng. Ch\u1ec9 c\u1ea7n l\u00e0 do m\u1ed9t t\u1ebf b\u00e0o c\u00e1 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c tr\u00ean 2 t\u1ebf b\u00e0o, l\u1edbp t\u1ebf b\u00e0o hay m\u1ed9t sinh v\u1eadt, do m\u1ed9t lo\u1ea1t nh\u00e2n b\u1ea3n s\u1ea3n sinh ra h\u00e0ng lo\u1ea1t ADN. \u0110\u00f3 ch\u00ednh l\u00e0 sinh s\u1ea3n v\u00f4 t\u00ednh. C\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng nh\u00e2n b\u1ea3n l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p sinh s\u1ea3n v\u00f4 t\u00ednh.<\/p>\n\n\n\n
Th\u1ef1c ra, nh\u00e2n b\u1ea3n kh\u00f4ng xa l\u1ea1 g\u00ec \u0111\u1ed1i v\u1edbi ch\u00fang ta. Trong cu\u1ed9c s\u1ed1ng h\u1eb1ng ng\u00e0y c\u1ee7a ch\u00fang ta c\u0169ng th\u01b0\u1eddng ph\u1ea3i d\u00f9ng \u0111\u1ebfn ph\u01b0\u01a1ng ph\u00e1p sinh v\u1eadt sinh s\u1ea3n v\u00f4 t\u00ednh n\u00e0y. V\u00ed d\u1ee5, m\u1ed7i khi m\u00f9a xu\u00e2n \u0111\u1ebfn, mu\u00f4n hoa \u0111ua n\u1edf, ng\u01b0\u1eddi th\u00edch tr\u1ed3ng hoa c\u1ecf s\u1ebd l\u00e0m th\u1eed nghi\u1ec7m gi\u00e2m c\u00e0nh th\u1ef1c v\u1eadt. T\u1eeb tr\u00ean m\u1ed9t c\u00e2y, c\u1eaft c\u00e0nh c\u00e2y xu\u1ed1ng, th\u00f4ng qua gi\u00e2m c\u00e0nh s\u1ebd \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u c\u00e2y c\u00f3 c\u00f9ng v\u1eadt ch\u1ea5t di truy\u1ec1n, \u0111\u00f3 ch\u00ednh l\u00e0 nh\u00e2n b\u1ea3n.<\/p>\n\n\n\n
Sinh s\u1ea3n v\u00f4 t\u00ednh \u1edf \u0111\u1ed9ng v\u1eadt b\u1eadc th\u1ea5p l\u00e0 th\u01b0\u1eddng th\u1ea5y h\u01a1n c\u1ea3. Sinh s\u1ea3n ph\u00e2n t\u00e1ch \u1edf vi khu\u1ea9n, \u1ea5u tr\u00f9ng l\u00e0 t\u00e1ch d\u1ecdc ho\u1eb7c t\u00e1ch ngang c\u01a1 th\u1ec3 c\u1ee7a ch\u00ednh b\u1ea3n th\u00e2n ch\u00fang, sau \u0111\u00f3 tho\u00e1t kh\u1ecfi c\u01a1 th\u1ec3 c\u1ee7a ch\u00fang \u0111\u1ec3 tr\u1edf th\u00e0nh c\u00e1 th\u1ec3 \u0111\u1ed9c l\u1eadp, \u0111\u00e2y c\u0169ng thu\u1ed9c v\u1ec1 nh\u00e2n b\u1ea3n.<\/p>\n\n\n\n
Nh\u01b0ng sinh s\u1ea3n v\u00f4 t\u00ednh \u1edf \u0111\u1ed9ng v\u1eadt b\u1eadc cao c\u00f3 t\u1ed3n t\u1ea1i hay kh\u00f4ng? C\u00e1c nh\u00e0 khoa h\u1ecdc cho r\u1eb1ng, do m\u1ed9t th\u1ec3 t\u1ebf b\u00e0o tr\u01b0\u1edfng th\u00e0nh sinh s\u1ea3n v\u00f4 t\u00ednh tr\u1edf th\u00e0nh m\u1ed9t \u0111\u1ed9ng v\u1eadt ho\u00e0n ch\u1ec9nh l\u00e0 kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng. Tuy trong m\u1ed9t th\u1ec3 t\u1ebf b\u00e0o, c\u00f3 \u0111\u1ee7 th\u00f4ng tin di truy\u1ec1n c\u1ee7a m\u1ed9t \u0111\u1ed9ng v\u1eadt ho\u00e0n ch\u1ec9nh, nh\u01b0ng th\u1ec3 t\u1ebf b\u00e0o \u0111\u00e3 \u0111\u01b0\u1ee3c chuy\u00ean bi\u1ec7t ho\u00e1. N\u00f3i m\u1ed9t c\u00e1ch th\u00f4ng th\u01b0\u1eddng l\u00e0 t\u1ebf b\u00e0o gan ch\u1ec9 c\u00f3 th\u1ec3 sinh ra t\u1ebf b\u00e0o gan, t\u1ebf b\u00e0o tuy\u1ebfn s\u1eefa ch\u1ec9 c\u00f3 th\u1ec3 s\u1ea3n sinh ra t\u1ed5 ch\u1ee9c tuy\u1ebfn s\u1eefa\u2026 nh\u01b0ng s\u1ef1 ra \u0111\u1eddi c\u1ee7a c\u1eebu \u0110\u00f4-li \u0111\u00e3 thay \u0111\u1ed5i ho\u00e0n to\u00e0n nh\u1eadn th\u1ee9c n\u00e0y c\u1ee7a con ng\u01b0\u1eddi, n\u00f3 \u0111\u00e3 m\u1edf ra th\u1eddi k\u00ec \u0111\u1ed9ng v\u1eadt b\u1eadc cao c\u0169ng c\u00f3 th\u1ec3 nh\u00e2n b\u1ea3n \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n
C\u00f3 th\u1ec3 nh\u1eadn th\u1ea5y r\u1eb1ng nh\u00e2n b\u1ea3n l\u00e0 m\u1ed9t ng\u00e0nh k\u0129 thu\u1eadt c\u1ee7a th\u1ec3 sinh v\u1eadt th\u00f4ng qua th\u1ec3 t\u1ebf b\u00e0o ti\u1ebfn h\u00e0nh sinh s\u1ea3n v\u00f4 t\u00ednh. N\u00f3i m\u1ed9t c\u00e1ch th\u00f4ng th\u01b0\u1eddng th\u00ec nh\u1eefng sinh v\u1eadt do k\u0129 thu\u1eadt nh\u00e2n b\u1ea3n sinh s\u1ea3n ra ch\u1ec9 c\u1ea7n c\u00f3 c\u01a1 th\u1ec3 m\u1eb9, ch\u1ee9 kh\u00f4ng c\u1ea7n c\u01a1 th\u1ec3 b\u1ed1.<\/p>\n","protected":false},"excerpt":{"rendered":"
Nh\u00e2n b\u1ea3n v\u1ed1n l\u00e0 m\u1ed9t k\u0129 thu\u1eadt sinh v\u1eadt r\u1ea5t \u00edt g\u1eb7p, cho d\u00f9 l\u00e0 c\u00e1c nh\u00e0 sinh v\u1eadt h\u1ecdc c\u0169ng ch\u01b0a ch\u1eafc \u0111\u00e3 hi\u1ec3u h\u1ebft v\u1ec1 n\u00f3. B\u1edfi v\u00ec s\u1ef1 ph\u00e2n c\u00f4ng khoa h\u1ecdc k\u0129 thu\u1eadt l\u1ea1i c\u00e0ng ng\u00e0y c\u00e0ng k\u0129 l\u01b0\u1ee1ng, ng\u01b0\u1eddi c\u00f9ng ng\u00e0nh c\u0169ng s\u1ebd c\u00f3 c\u1ea3m gi\u00e1c “kh\u00e1c ng\u00e0nh nh\u01b0 anh […]<\/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":[15,10],"tags":[],"class_list":["post-8248","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-sinh-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8248","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=8248"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8248\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}