{"id":12219,"date":"2024-03-05T06:53:59","date_gmt":"2024-03-05T06:53:59","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=12219"},"modified":"2024-03-05T06:53:59","modified_gmt":"2024-03-05T06:53:59","slug":"hybrid-fish-accidental-creation-sturddlefish","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/biology\/hybrid-fish-accidental-creation-sturddlefish\/","title":{"rendered":"C\u00e1 t\u1ea7m lai: S\u1ef1 ra \u0111\u1eddi t\u00ecnh c\u1edd v\u00e0 \u00fd ngh\u0129a khoa h\u1ecdc"},"content":{"rendered":"

C\u00e1 s\u1ea5u lai: S\u1ef1 ra \u0111\u1eddi t\u00ecnh c\u1edd c\u1ee7a c\u00e1 t\u1ea7m lai<\/h2>\n\n

Lai gi\u1ed1ng ng\u1eabu nhi\u00ean<\/h2>\n\n

Trong m\u1ed9t di\u1ec5n bi\u1ebfn b\u1ea5t ng\u1edd, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 t\u00ecnh c\u1edd t\u1ea1o ra m\u1ed9t lo\u00e0i c\u00e1 lai b\u1eb1ng c\u00e1ch tr\u1ed9n tinh tr\u00f9ng c\u00e1 t\u1ea7m v\u1edbi tr\u1ee9ng c\u00e1 t\u1ea7m. \u0110\u1ee9a con lai k\u1ebft qu\u1ea3, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 “c\u00e1 t\u1ea7m lai”, l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p \u0111\u1ed9c \u0111\u00e1o gi\u1eefa c\u00e1c lo\u00e0i b\u1ed1 m\u1eb9 c\u1ee7a ch\u00fang.<\/p>\n\n

Ngu\u1ed3n g\u1ed1c kh\u00f3 c\u00f3 th\u1ec3 x\u1ea3y ra<\/h2>\n\n

Th\u00ed nghi\u1ec7m ban \u0111\u1ea7u nh\u1eb1m m\u1ee5c \u0111\u00edch th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n \u1edf tr\u1ee9ng c\u00e1 t\u1ea7m m\u00e0 kh\u00f4ng c\u1ea7n th\u1ee5 tinh, m\u1ed9t k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 sinh s\u1ea3n \u0111\u01a1n t\u00ednh. Tuy nhi\u00ean, vi\u1ec7c \u0111\u01b0a tinh tr\u00f9ng c\u00e1 t\u1ea7m v\u00e0o \u0111\u00e3 d\u1eabn \u0111\u1ebfn s\u1ef1 t\u1ea1o ra lo\u00e0i c\u00e1 lai ngo\u00e0i mong \u0111\u1ee3i.<\/p>\n\n

Gi\u1ed1ng nhau \u1edf c\u00e1 h\u00f3a th\u1ea1ch<\/h2>\n\n

M\u1eb7c d\u00f9 c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t l\u1edbn v\u1ec1 m\u1eb7t ti\u1ebfn h\u00f3a, c\u00e1 t\u1ea7m Nga v\u00e0 c\u00e1 t\u1ea7m M\u1ef9 c\u00f3 m\u1ed9t s\u1ed1 \u0111i\u1ec3m gi\u1ed1ng nhau nh\u01b0 “c\u00e1 h\u00f3a th\u1ea1ch”. Ch\u00fang l\u1edbn ch\u1eadm, s\u1ed1ng h\u00e0ng th\u1eadp k\u1ef7 v\u00e0 c\u00f3 b\u1ed9 x\u01b0\u01a1ng l\u00e0m b\u1eb1ng s\u1ee5n ch\u1ee9 kh\u00f4ng ph\u1ea3i x\u01b0\u01a1ng. Nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m chung n\u00e0y c\u00f3 th\u1ec3 \u0111\u00e3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho s\u1ef1 lai gi\u1ed1ng ng\u1eabu nhi\u00ean.<\/p>\n\n

\u00dd ngh\u0129a ti\u1ebfn h\u00f3a<\/h2>\n\n

S\u1ef1 t\u1ea1o ra c\u00e1 t\u1ea7m lai th\u00e1ch th\u1ee9c gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng c\u00e1c lo\u00e0i kh\u00f4ng li\u00ean quan kh\u00f4ng th\u1ec3 lai gi\u1ed1ng. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y r\u1eb1ng ngay c\u1ea3 sau h\u00e0ng tri\u1ec7u n\u0103m ti\u1ebfn h\u00f3a \u0111\u1ed9c l\u1eadp, m\u1ed9t s\u1ed1 lo\u00e0i v\u1eabn c\u00f3 th\u1ec3 c\u00f3 \u0111\u1ee7 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1ec1 m\u1eb7t di truy\u1ec1n \u0111\u1ec3 t\u1ea1o ra con c\u00e1i kh\u1ea3 thi.<\/p>\n\n

\u0110\u1eb7c \u0111i\u1ec3m h\u00ecnh th\u00e1i<\/h2>\n\n

C\u00e1 t\u1ea7m lai th\u1eeba h\u01b0\u1edfng c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m t\u1eeb c\u1ea3 hai lo\u00e0i b\u1ed1 m\u1eb9. Ch\u00fang c\u00f3 s\u1ef1 th\u00e8m \u0103n c\u1ee7a c\u00e1 t\u1ea7m m\u1eb9 v\u00e0 m\u00f5m d\u00e0i c\u1ee7a c\u00e1 t\u1ea7m cha. Ph\u00e2n t\u00edch di truy\u1ec1n cho th\u1ea5y nh\u1eefng con c\u00e1 gi\u1ed1ng c\u00e1 t\u1ea7m c\u00f3 nhi\u1ec1u ADN c\u1ee7a m\u1eb9 h\u01a1n, trong khi nh\u1eefng con c\u00e1 gi\u1ed1ng c\u00e1 t\u1ea7m c\u00f3 t\u1ef7 l\u1ec7 gen c\u1ee7a b\u1ed1 cao h\u01a1n.<\/p>\n\n

V\u00f4 sinh v\u00e0 \u00fd ngh\u0129a<\/h2>\n\n

Gi\u1ed1ng nh\u01b0 c\u00e1c lo\u00e0i lai kh\u00e1c do con ng\u01b0\u1eddi t\u1ea1o ra nh\u01b0 la v\u00e0 h\u1ed5, c\u00e1 t\u1ea7m lai c\u00f3 kh\u1ea3 n\u0103ng v\u00f4 sinh. S\u1ef1 v\u00f4 sinh n\u00e0y c\u00f3 ngh\u0129a l\u00e0 ch\u00fang kh\u00f4ng th\u00edch h\u1ee3p \u0111\u1ec3 s\u1ea3n xu\u1ea5t tr\u1ee9ng c\u00e1 mu\u1ed1i, m\u1ed9t trong nh\u1eefng l\u00fd do ch\u00ednh khi\u1ebfn c\u00e1c lo\u00e0i c\u00e1 t\u1ea7m b\u1ecb \u0111e d\u1ecda.<\/p>\n\n

M\u1ed1i quan ng\u1ea1i v\u1ec1 b\u1ea3o t\u1ed3n<\/h2>\n\n

S\u1ef1 t\u1ea1o ra c\u00e1 t\u1ea7m lai l\u00e0m d\u1ea5y l\u00ean m\u1ed1i quan ng\u1ea1i v\u1ec1 vi\u1ec7c b\u1ea3o t\u1ed3n c\u1ea3 c\u00e1 t\u1ea7m Nga v\u00e0 c\u00e1 t\u1ea7m M\u1ef9. C\u1ea3 hai lo\u00e0i \u0111\u1ec1u \u0111ang b\u1ecb \u0111e d\u1ecda nghi\u00eam tr\u1ecdng v\u00e0 s\u1ef1 lai gi\u1ed1ng ng\u1eabu nhi\u00ean c\u00f3 kh\u1ea3 n\u0103ng \u0111\u01b0a v\u1eadt li\u1ec7u di truy\u1ec1n m\u1edbi v\u00e0o qu\u1ea7n th\u1ec3 c\u1ee7a ch\u00fang.<\/p>\n\n

\u00dd ngh\u0129a khoa h\u1ecdc<\/h2>\n\n

Ph\u00e1t hi\u1ec7n ra c\u00e1 t\u1ea7m lai c\u00f3 \u00fd ngh\u0129a khoa h\u1ecdc r\u1ea5t l\u1edbn. N\u00f3 cung c\u1ea5p b\u1eb1ng ch\u1ee9ng v\u1ec1 t\u00ednh d\u1ebbo c\u1ee7a qu\u00e1 tr\u00ecnh lai gi\u1ed1ng v\u00e0 th\u00e1ch th\u1ee9c quan \u0111i\u1ec3m truy\u1ec1n th\u1ed1ng v\u1ec1 ranh gi\u1edbi lo\u00e0i. Ngo\u00e0i ra, n\u00f3 l\u00e0m n\u1ed5i b\u1eadt ti\u1ec1m n\u0103ng v\u1ec1 nh\u1eefng h\u1eadu qu\u1ea3 kh\u00f4ng ch\u1ee7 \u00fd trong nghi\u00ean c\u1ee9u khoa h\u1ecdc.<\/p>\n\n

Nghi\u00ean c\u1ee9u trong t\u01b0\u01a1ng lai<\/h2>\n\n

M\u1eb7c d\u00f9 c\u00e1c nh\u00e0 khoa h\u1ecdc li\u00ean quan kh\u00f4ng c\u00f3 k\u1ebf ho\u1ea1ch t\u1ea1o ra th\u00eam c\u00e1 t\u1ea7m lai, nh\u01b0ng kh\u00e1m ph\u00e1 t\u00ecnh c\u1edd c\u1ee7a h\u1ecd \u0111\u00e3 m\u1edf ra nh\u1eefng h\u01b0\u1edbng nghi\u00ean c\u1ee9u m\u1edbi. C\u00e1c nh\u00e0 khoa h\u1ecdc hi\u1ec7n \u0111ang nghi\u00ean c\u1ee9u c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m di truy\u1ec1n v\u00e0 sinh l\u00fd c\u1ee7a c\u00e1 t\u1ea7m lai \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u01a1 ch\u1ebf lai gi\u1ed1ng v\u00e0 nh\u1eefng \u00fd ngh\u0129a ti\u1ec1m t\u00e0ng c\u1ee7a n\u00f3 \u0111\u1ed1i v\u1edbi c\u00f4ng t\u00e1c b\u1ea3o t\u1ed3n.<\/p>","protected":false},"excerpt":{"rendered":"

C\u00e1 s\u1ea5u lai: S\u1ef1 ra \u0111\u1eddi t\u00ecnh c\u1edd c\u1ee7a c\u00e1 t\u1ea7m lai Lai gi\u1ed1ng ng\u1eabu nhi\u00ean Trong m\u1ed9t di\u1ec5n bi\u1ebfn b\u1ea5t ng\u1edd, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 t\u00ecnh c\u1edd t\u1ea1o…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[288],"tags":[16504,16506,16507,16508,16509,16505],"class_list":["post-12219","post","type-post","status-publish","format-standard","hentry","category-biology","tag-hybrid-fish","tag-sturgeon","tag-paddlefish","tag-accidental-hybridization","tag-evolutionary-surprises","tag-sturddlefish"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/12219","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=12219"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/12219\/revisions"}],"predecessor-version":[{"id":12220,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/12219\/revisions\/12220"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=12219"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=12219"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=12219"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}