{"id":28066,"date":"2021-11-04T23:25:36","date_gmt":"2021-11-04T16:25:36","guid":{"rendered":"https:\/\/chanhkien.org\/?p=28066"},"modified":"2025-05-30T14:11:14","modified_gmt":"2025-05-30T07:11:14","slug":"bai-viet-nhan-dip-20-nam-chanh-kien-net-nhung-suy-nghi-ve-cong-nghe-sinh-hoc-nong-nghiep-hien-dai-phan-1","status":"publish","type":"post","link":"https:\/\/chanhkien.org\/2021\/11\/bai-viet-nhan-dip-20-nam-chanh-kien-net-nhung-suy-nghi-ve-cong-nghe-sinh-hoc-nong-nghiep-hien-dai-phan-1.html","title":{"rendered":"Nh\u1eefng suy ngh\u0129 v\u1ec1 c\u00f4ng ngh\u1ec7 sinh h\u1ecdc n\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i (Ph\u1ea7n 1) [B\u00e0i vi\u1ebft nh\u00e2n d\u1ecbp 20 n\u0103m Ch\u00e1nh Ki\u1ebfn Net]"},"content":{"rendered":"<p><b>[ChanhKien.org]<\/b><\/p>\n<p>[Ghi ch&uacute; c&#7911;a Ban bi&ecirc;n t&#7853;p] C&#7843;m &#417;n s&#7921; &#7911;ng h&#7897; nhi&#7879;t t&igrave;nh c&#7911;a c&aacute;c &#273;&#7891;ng tu, sau khi &#273;&#259;ng t&#7843;i b&agrave;i &ldquo;Th&ocirc;ng tri k&ecirc;u g&#7885;i g&#7917;i b&agrave;i nh&acirc;n d&#7883;p 20 n&#259;m Ch&aacute;nh Ki&#7871;n Net&rdquo;, ch&uacute;ng t&ocirc;i li&ecirc;n t&#7909;c nh&#7853;n &#273;&#432;&#7907;c b&agrave;i vi&#7871;t c&#7911;a c&aacute;c &#273;&#7891;ng tu g&#7917;i &#273;&#7871;n. Th&#7901;i h&#7841;n cu&#7889;i c&ugrave;ng nh&#7853;n b&agrave;i l&agrave; ng&agrave;y 31 th&aacute;ng 12 n&#259;m 2021, do v&#7853;y ch&uacute;ng t&ocirc;i &#273;&atilde; l&#7921;a ch&#7885;n ng&agrave;y 13 th&aacute;ng 5, ng&agrave;y sinh c&#7911;a S&#432; ph&#7909; v&agrave; c&#361;ng l&agrave; ng&agrave;y <a class=\"lar-automated-link\" href=\"https:\/\/chanhkien.org\/chu-giai-tu-vung#phap_luan_dai_phap\" rel=\"nofollow\" target=\"_blank\">Ph&aacute;p Lu&acirc;n &#272;&#7841;i Ph&aacute;p<\/a> Th&#7871; gi&#7899;i, &#273;&#7875; b&#7855;t &#273;&#7847;u &#273;&#259;ng c&aacute;c b&agrave;i vi&#7871;t. C&#361;ng hy v&#7885;ng r&#7857;ng c&aacute;c &#273;&#7891;ng tu ch&#432;a &#273;&oacute;ng g&oacute;p c&oacute; th&#7875; n&#7895; l&#7921;c vi&#7871;t ra nh&#7919;ng ch&iacute;nh ki&#7871;n c&#7911;a m&igrave;nh trong tu luy&#7879;n &#272;&#7841;i Ph&aacute;p v&#7873; nh&acirc;n th&#7875;, sinh m&#7879;nh, v&#361; tr&#7909; v&agrave; v&#7841;n s&#7921; v&#7841;n v&#7853;t<\/p>\n<p>C&ocirc;ng ngh&#7879; bi&#7871;n &#273;&#7893;i gen, c&ocirc;ng ngh&#7879; lai nh&acirc;n t&#7841;o v&agrave; c&ocirc;ng ngh&#7879; t&#7841;o gi&#7889;ng b&#7857;ng b&#7913;c x&#7841; h&#7841;t nh&acirc;n l&agrave; ba tr&#7909; c&#7897;t l&#7899;n c&#7911;a c&ocirc;ng ngh&#7879; sinh h&#7885;c n&ocirc;ng nghi&#7879;p hi&#7879;n &#273;&#7841;i, nh&#432;ng nh&#7919;ng th&#7921;c ph&#7849;m &#273;&#432;&#7907;c t&#7841;o ra t&#7915; c&ocirc;ng ngh&#7879; n&agrave;y t&#7915; l&acirc;u v&#7851;n lu&ocirc;n g&acirc;y tranh c&atilde;i trong x&atilde; h&#7897;i. Ng&#432;&#7901;i ta lo l&#7855;ng r&#7857;ng nh&#7919;ng lo&agrave;i sinh v&#7853;t nh&acirc;n t&#7841;o m&#7899;i n&agrave;y s&#7869; ti&#7873;m &#7849;n nh&#7919;ng nguy c&#417; m&#7845;t an to&agrave;n &#273;&#7889;i v&#7899;i m&ocirc;i tr&#432;&#7901;ng sinh th&aacute;i v&agrave; s&#7913;c kh&#7887;e con ng&#432;&#7901;i, &#273;&#7891;ng th&#7901;i nh&igrave;n chung m&#7885;i ng&#432;&#7901;i &#273;&#7873;u c&#7843;m th&#7845;y c&aacute;c lo&#7841;i tr&aacute;i c&acirc;y, rau c&#7911; v&agrave; l&#432;&#417;ng th&#7921;c hi&#7879;n nay d&#432;&#7901;ng nh&#432; kh&ocirc;ng c&ograve;n ng&#7885;t nh&#432; tr&#432;&#7899;c, &#273;&atilde; m&#7845;t &#273;i h&#432;&#417;ng v&#7883; &#273;&#7863;c tr&#432;ng c&#7911;a gi&#7889;ng lo&agrave;i ban &#273;&#7847;u. &#272;&atilde; c&oacute; r&#7845;t nhi&#7873;u ph&acirc;n t&iacute;ch v&agrave; th&#7843;o lu&#7853;n t&#7915; g&oacute;c &#273;&#7897; khoa h&#7885;c v&agrave; hi&#7875;u bi&#7871;t hi&#7879;n &#273;&#7841;i &#273;&#432;&#7907;c th&#7921;c hi&#7879;n, nh&#432;ng nh&igrave;n chung l&agrave; v&#7845;n &#273;&#7873; n&agrave;y v&#7851;n c&ograve;n nhi&#7873;u &yacute; ki&#7871;n tr&aacute;i ng&#432;&#7907;c, ch&#432;a &#273;i &#273;&#7871;n &yacute; ki&#7871;n th&#7889;ng nh&#7845;t. V&#7853;y ng&#432;&#7901;i tu luy&#7879;n ch&uacute;ng ta nh&#7853;n th&#7913;c v&#7845;n &#273;&#7873; n&agrave;y t&#7915; g&oacute;c &#273;&#7897; v&#259;n h&oacute;a truy&#7873;n th&#7889;ng (v&#259;n h&oacute;a b&aacute;n Th&#7847;n) nh&#432; th&#7871; n&agrave;o? L&agrave;m th&#7871; n&agrave;o &#273;&#7875; tho&aacute;t kh&#7887;i nh&#7919;ng hi&#7875;u l&#7847;m c&#7911;a khoa h&#7885;c c&ocirc;ng ngh&#7879; hi&#7879;n &#273;&#7841;i &#273;&#7875; tr&#7903; v&#7873; v&#7899;i n&#7873;n v&#259;n minh ch&acirc;n ch&iacute;nh v&#7889;n n&ecirc;n thu&#7897;c v&#7873; con ng&#432;&#417;i?<\/p>\n<p>Ch&uacute;ng ta bi&#7871;t r&#7857;ng trong c&aacute;c x&atilde; h&#7897;i c&#7893; &#273;&#7841;i kh&ocirc;ng c&oacute; kh&aacute;i ni&#7879;m v&#7873; c&ocirc;ng ngh&#7879; sinh h&#7885;c hi&#7879;n &#273;&#7841;i (&#7903; &#273;&acirc;y ch&#7881; n&oacute;i &#273;&#7871;n nh&acirc;n lo&#7841;i th&#7901;i k&#7923; n&agrave;y, trong th&#7901;i k&#7923; ti&#7873;n s&#7917; xa x&#432;a c&oacute; nhi&#7873;u l&#7847;n khoa h&#7885;c c&ocirc;ng ngh&#7879; c&#7911;a nh&acirc;n lo&#7841;i ph&aacute;t tri&#7875;n h&#417;n nhi&#7873;u so v&#7899;i con ng&#432;&#7901;i hi&#7879;n &#273;&#7841;i). Th&#7901;i &#273;&oacute; s&#7921; sinh s&#7843;n c&#7911;a &#273;&#7897;ng v&#7853;t v&agrave; th&#7921;c v&#7853;t ch&#7911; y&#7871;u ph&#7909; thu&#7897;c v&agrave;o ph&#432;&#417;ng th&#7913;c sinh s&#7843;n t&#7921; nhi&ecirc;n, t&#7845;t nhi&ecirc;n con ng&#432;&#7901;i c&#361;ng bi&#7871;t ch&#7885;n nh&#7919;ng h&#7841;t gi&#7889;ng m&#7849;y ch&#7855;c v&agrave; c&aacute;c c&aacute; th&#7875; kh&#7887;e m&#7841;nh, nh&#432;ng v&#7873; c&#417; b&#7843;n kh&ocirc;ng c&oacute; lai gi&#7889;ng nh&acirc;n t&#7841;o v&#7899;i m&#7909;c ti&ecirc;u r&otilde; r&agrave;ng nh&#432; con ng&#432;&#7901;i hi&#7879;n nay, c&agrave;ng kh&ocirc;ng c&oacute; nh&acirc;n gi&#7889;ng bi&#7871;n &#273;&#7893;i gen v&agrave; nh&acirc;n gi&#7889;ng b&#7913;c x&#7841;. N&oacute;i c&aacute;ch kh&aacute;c, c&ocirc;ng ngh&#7879; lai nh&acirc;n t&#7841;o, bi&#7871;n &#273;&#7893;i gen v&agrave; nh&acirc;n gi&#7889;ng b&#7913;c x&#7841; l&agrave; s&#7843;n ph&#7849;m c&#7911;a c&ocirc;ng ngh&#7879; hi&#7879;n &#273;&#7841;i. V&#7853;y gi&#7919;a lai gi&#7889;ng nh&acirc;n t&#7841;o v&agrave; nh&acirc;n gi&#7889;ng t&#7921; nhi&ecirc;n hay nh&acirc;n gi&#7889;ng t&#7921; ph&#7889;i c&oacute; g&igrave; kh&aacute;c nhau? Bi&#7871;n &#273;&#7893;i gen v&agrave; nh&acirc;n gi&#7889;ng b&#7913;c x&#7841; l&agrave; g&igrave;? C&oacute; g&igrave; kh&aacute;c bi&#7879;t v&#7899;i lai gi&#7889;ng?<\/p>\n<p>Nh&#432; m&#7885;i ng&#432;&#7901;i &#273;&atilde; bi&#7871;t, vi&#7879;c l&#7921;a ch&#7885;n b&#7889; m&#7865; trong lai nh&acirc;n t&#7841;o s&#7869; d&#7921;a tr&ecirc;n c&aacute;c ti&ecirc;u ch&iacute; l&agrave; c&aacute;c lo&#7841;i n&agrave;y c&oacute; s&#7921; kh&aacute;c bi&#7879;t l&#7899;n v&#7873; t&iacute;nh tr&#7841;ng, c&oacute; t&iacute;nh b&#7893; sung m&#7841;nh v&agrave; quan h&#7879; huy&#7871;t th&#7889;ng ph&#7843;i t&#432;&#417;ng &#273;&#7889;i xa. Trong &#273;i&#7873;u ki&#7879;n b&igrave;nh th&#432;&#7901;ng th&igrave; t&#7927; l&#7879; lai t&#7921; nhi&ecirc;n c&#7911;a c&aacute;c gi&#7889;ng lo&agrave;i n&agrave;y &#273;&#7873;u r&#7845;t th&#7845;p, th&#7853;m ch&iacute; b&#7857;ng kh&ocirc;ng; v&igrave; v&#7853;y ch&#7881; c&oacute; th&#7875; &#273;&#7841;t &#273;&#432;&#7907;c k&#7871;t qu&#7843; th&ocirc;ng qua can thi&#7879;p c&#432;&#7905;ng ch&#7871; nh&acirc;n t&#7841;o, ch&#7859;ng h&#7841;n nh&#432; ph&#432;&#417;ng ph&aacute;p &ldquo;lai ba d&ograve;ng&rdquo; v&agrave; ph&#432;&#417;ng ph&aacute;p c&#7855;t hoa &#273;&#7921;c th&#7909; ph&#7845;n nh&acirc;n t&#7841;o &#7903; th&#7921;c v&#7853;t, c&#361;ng nh&#432; th&#7909; tinh nh&acirc;n t&#7841;o &#7903; &#273;&#7897;ng v&#7853;t. &#7902; m&#7897;t m&#7913;c &#273;&#7897; nh&#7845;t &#273;&#7883;nh, vi&#7879;c l&agrave;m n&agrave;y &#273;&atilde; d&#7851;n &#273;&#7871;n h&#7853;u qu&#7843; ph&aacute; v&#7905; chu k&#7923; sinh s&#7843;n t&#7921; nhi&ecirc;n c&#7911;a gi&#7889;ng lo&agrave;i, t&#7841;o ra nh&#7919;ng gi&#7889;ng lai nh&acirc;n t&#7841;o m&#7899;i, kh&ocirc;ng c&ograve;n l&agrave; gi&#7889;ng lo&agrave;i ban &#273;&#7847;u trong th&#7871; gi&#7899;i t&#7921; nhi&ecirc;n n&#7919;a.<\/p>\n<p>M&#7863;c d&ugrave; v&#7853;y, b&#7845;t k&#7875; l&agrave; lai xa hay lai g&#7847;n th&igrave; v&#7873; c&#417; b&#7843;n &#273;&#7873;u l&agrave; lai trong c&ugrave;ng lo&agrave;i v&#7899;i nhau. Nh&#432;ng c&ocirc;ng ngh&#7879; bi&#7871;n &#273;&#7893;i gen th&igrave; l&#7841;i &#273;i qu&aacute; xa r&#7891;i, ho&agrave;n to&agrave;n v&#432;&#7907;t qu&aacute; ranh gi&#7899;i c&#7911;a m&#7897;t ch&#7911;ng lo&agrave;i, ng&#432;&#7901;i ta c&oacute; th&#7875; tu&#7923; &yacute; tr&#7897;n l&#7851;n gen c&#7911;a c&aacute;c lo&agrave;i &#273;&#7897;ng v&#7853;t, th&#7921;c v&#7853;t v&agrave; vi sinh v&#7853;t v&#7899;i nhau. V&#7873; c&ocirc;ng ngh&#7879; nh&acirc;n gi&#7889;ng b&#7913;c x&#7841; th&igrave; ng&#432;&#7901;i ta s&#7869; chi&#7871;u m&#7897;t l&#432;&#7907;ng nh&#7845;t &#273;&#7883;nh b&#7913;c x&#7841; h&#7841;t nh&acirc;n n&#259;ng l&#432;&#7907;ng cao v&agrave;o h&#7841;t gi&#7889;ng ho&#7863;c ph&ocirc;i, &#273;&#7875; t&#7841;o n&ecirc;n &#273;&#7897;t bi&#7871;n gen t&#7915; &#273;&oacute; s&agrave;ng l&#7885;c ra c&aacute;c gi&#7889;ng m&#7899;i &#273;&aacute;p &#7913;ng nhu c&#7847;u c&#7911;a con ng&#432;&#7901;i. V&#7873; b&#7843;n ch&#7845;t, c&#7843; ba ph&#432;&#417;ng ph&aacute;p tr&ecirc;n &#273;&#7873;u l&agrave;m bi&#7871;n &#273;&#7893;i th&ocirc;ng tin di truy&#7873;n c&#7911;a lo&agrave;i ban &#273;&#7847;u &#7903; c&#7845;p &#273;&#7897; gen, l&agrave;m bi&#7871;n d&#7883; v&#7853;t ch&#7845;t di truy&#7873;n c&#7911;a lo&agrave;i ban &#273;&#7847;u, khi&#7871;n ch&uacute;ng kh&ocirc;ng c&ograve;n thu&#7847;n ch&#7911;ng n&#7919;a. Th&#7921;c ch&#7845;t c&aacute;c lo&agrave;i n&agrave;y &#273;&#7873;u l&agrave; ch&#7911;ng lo&agrave;i do con ng&#432;&#7901;i t&#7841;o ra ch&#7913; kh&ocirc;ng c&ograve;n l&agrave; lo&agrave;i sinh v&#7853;t t&#7921; nhi&ecirc;n ban &#273;&#7847;u n&#7919;a.<\/p>\n<p>Khi th&#7843;o lu&#7853;n v&#7845;n &#273;&#7873; t&iacute;nh an to&agrave;n c&#7911;a c&aacute;c lo&agrave;i lai v&agrave; bi&#7871;n &#273;&#7893;i gen, t&#7915; quan &#273;i&#7875;m c&#7911;a khoa h&#7885;c v&agrave; c&ocirc;ng ngh&#7879; hi&#7879;n &#273;&#7841;i, ng&#432;&#7901;i ta th&#432;&#7901;ng ch&#7881; gi&#7899;i h&#7841;n &#7903; vi&#7879;c c&aacute;c ch&#7845;t <a class=\"lar-automated-link\" href=\"https:\/\/chanhkien.org\/chu-giai-tu-vung#chuyen_hoa\" 28721 rel=\"nofollow\" target=\"_blank\">chuy&#7875;n ho&aacute;<\/a> gen m&#7899;i &#273;&#432;&#7907;c t&#7893; h&#7907;p th&agrave;nh c&oacute; ti&#7873;m &#7849;n &#273;&#7897;c t&iacute;nh hay v&#7845;n &#273;&#7873; an to&agrave;n sinh h&#7885;c kh&ocirc;ng. H&#417;n n&#7919;a, t&#7845;t c&#7843; c&aacute;c ph&#432;&#417;ng ph&aacute;p ki&#7875;m tra v&agrave; quan s&aacute;t hi&#7879;n nay ch&#7881; l&agrave; nh&#7919;ng ph&#432;&#417;ng ph&aacute;p m&agrave; con ng&#432;&#7901;i l&agrave;m ch&#7911; &#273;&#432;&#7907;c, c&ograve;n v&#7899;i nh&#7919;ng nh&acirc;n t&#7889; m&agrave; con ng&#432;&#7901;i ch&#432;a nh&#7853;n th&#7913;c &#273;&#432;&#7907;c ho&#7863;c kh&ocirc;ng th&#7875; t&igrave;m hi&#7875;u s&acirc;u &#273;&#432;&#7907;c th&igrave; c&#361;ng r&#7845;t kh&oacute; ki&#7875;m ch&#7913;ng. R&otilde; r&agrave;ng, nh&#7919;ng ph&#432;&#417;ng ph&aacute;p ki&#7875;m ch&#7913;ng n&agrave;y qu&aacute; nh&#7887; b&eacute; tr&#432;&#7899;c h&#7879; th&#7889;ng sinh h&#7885;c ph&#7913;c t&#7841;p v&agrave; huy&#7873;n b&iacute;. V&iacute; d&#7909; nh&#432; lo&#7841;i &#273;&#7853;u n&agrave;nh bi&#7871;n &#273;&#7893;i gen kh&aacute;ng thu&#7889;c di&#7879;t c&#7887;, m&#7885;i ng&#432;&#7901;i lo l&#7855;ng li&#7879;u d&#7847;u &#273;&#7853;u n&agrave;nh bi&#7871;n &#273;&#7893;i gen c&oacute; ch&#7913;a c&aacute;c th&agrave;nh ph&#7847;n g&acirc;y h&#7841;i cho con ng&#432;&#7901;i hay kh&ocirc;ng. C&aacute;c nh&agrave; khoa h&#7885;c gi&#7843;i th&iacute;ch r&#7857;ng: &ldquo;Khi &#273;&#432;a nh&#7919;ng &#273;o&#7841;n gen &#273;&atilde; &#273;&#432;&#7907;c bi&#7871;n &#273;&#7893;i v&agrave;o c&#417; th&#7875; ng&#432;&#7901;i th&igrave; c&oacute; th&#7875; n&oacute;i l&agrave; ho&agrave;n to&agrave;n kh&ocirc;ng &#7843;nh h&#432;&#7903;ng t&#7899;i gen c&#7911;a con ng&#432;&#7901;i. B&#7903;i v&igrave; n&#7871;u c&aacute;c &#273;o&#7841;n gen n&agrave;y c&oacute; th&#7875; &#7843;nh h&#432;&#7903;ng &#273;&#7871;n gen c&#7911;a ng&#432;&#7901;i, v&#7853;y th&igrave; c&aacute;c gen th&ocirc;ng th&#432;&#7901;ng trong th&#7921;c ph&#7849;m c&#361;ng s&#7869; &#7843;nh h&#432;&#7903;ng &#273;&#7871;n con ng&#432;&#7901;i. Hai lo&#7841;i gen n&agrave;y &#273;&#7873;u l&agrave; c&aacute;c gen ngo&#7841;i lai v&#7899;i c&#417; th&#7875; con ng&#432;&#7901;i n&ecirc;n ch&uacute;ng kh&ocirc;ng c&oacute; s&#7921; kh&aacute;c bi&#7879;t. T&#7915; g&oacute;c &#273;&#7897; sinh l&yacute;, con ng&#432;&#7901;i ch&#7881; c&oacute; th&#7875; h&#7845;p th&#7909; c&aacute;c ph&acirc;n t&#7917; nh&#7887;, khi c&aacute;c ph&acirc;n t&#7917; l&#7899;n DNA b&#7883; &#273;&#432;&#7901;ng ti&ecirc;u h&oacute;a ph&acirc;n gi&#7843;i th&agrave;nh c&aacute;c ph&acirc;n t&#7917; nucleotide nh&#7887; &#273;&#7897;c l&#7853;p th&igrave; ch&uacute;ng c&#361;ng m&#7845;t &#273;i ch&#7913;c n&#259;ng mang th&ocirc;ng tin di truy&#7873;n c&#7911;a gen&rdquo;.<\/p>\n<p>V&#7873; v&#7845;n &#273;&#7873; t&#7891;n d&#432; thu&#7889;c di&#7879;t c&#7887;, c&aacute;c nh&agrave; khoa h&#7885;c gi&#7843;i th&iacute;ch r&#7857;ng: &ldquo;Tr&#432;&#7899;c h&#7871;t, kh&ocirc;ng ch&#7881; c&acirc;y tr&#7891;ng bi&#7871;n &#273;&#7893;i gen m&#7899;i s&#7917; d&#7909;ng thu&#7889;c di&#7879;t c&#7887;. V&#7845;n &#273;&#7873; d&#432; l&#432;&#7907;ng thu&#7889;c di&#7879;t c&#7887; trong th&#7921;c ph&#7849;m &#273;&#432;&#7907;c ki&#7875;m tra theo quy &#273;&#7883;nh v&#7873; an to&agrave;n th&#7921;c ph&#7849;m li&ecirc;n quan, do v&#7853;y kh&ocirc;ng c&#7847;n ph&#7843;i lo l&#7855;ng v&#7873; &#273;i&#7873;u n&agrave;y&rdquo;. (Tr&iacute;ch t&#7915; trang web &ldquo;B&aacute;ch khoa to&agrave;n th&#432; &ndash; Baidu&rdquo;) L&#7853;p lu&#7853;n n&agrave;y v&#7873; c&#417; b&#7843;n &#273;&#7841;i di&#7879;n cho nh&#7853;n th&#7913;c &#273;i&#7875;n h&igrave;nh c&#7911;a khoa h&#7885;c hi&#7879;n &#273;&#7841;i v&#7873; v&#7845;n &#273;&#7873; n&agrave;y. T&#7915; logic l&#7853;p lu&#7853;n v&agrave; gi&#7885;ng &#273;i&#7879;u &#273;&oacute;, hi&#7875;n nhi&ecirc;n c&oacute; ch&uacute;t h&#7865;p h&ograve;i v&agrave; t&#7921; ph&#7909; gi&#7889;ng nh&#432; ng&#432;&#7901;i m&ugrave; s&#7901; voi.<\/p>\n<p>Ch&uacute;ng ta bi&#7871;t r&#7857;ng h&agrave;ng tr&#259;m n&#259;m tr&#432;&#7899;c, con ng&#432;&#7901;i v&#7851;n ch&#432;a bi&#7871;t di truy&#7873;n l&agrave; g&igrave;, sau &#273;&oacute; d&#7847;n d&#7847;n bi&#7871;t &#273;&#432;&#7907;c r&#7857;ng t&#7871; b&agrave;o l&agrave; th&agrave;nh ph&#7847;n c&#7845;u t&#7841;o n&ecirc;n c&aacute;c sinh v&#7853;t. S&#7921; k&#7871;t h&#7907;p gi&#7919;a tinh tr&ugrave;ng v&agrave; tr&#7913;ng, s&#7921; ph&acirc;n chia t&#7871; b&agrave;o t&#7841;o th&agrave;nh s&#7921; sinh tr&#432;&#7903;ng v&agrave; ph&aacute;t tri&#7875;n. Sau &#273;&oacute; ng&#432;&#7901;i ta bi&#7871;t r&#7857;ng v&#7853;t ch&#7845;t di truy&#7873;n ch&iacute;nh trong t&#7871; b&agrave;o l&agrave; nhi&#7877;m s&#7855;c th&#7875; n&#7857;m trong nh&acirc;n c&#7911;a t&#7871; b&agrave;o, c&aacute;c &#273;o&#7841;n DNA tr&ecirc;n nhi&#7877;m s&#7855;c th&#7875; &ndash; gen &ndash; l&agrave; &#273;&#417;n v&#7883; c&#417; b&#7843;n quy&#7871;t &#273;&#7883;nh c&aacute;c t&iacute;nh tr&#7841;ng c&#7911;a sinh v&#7853;t. Nghi&ecirc;n c&#7913;u s&acirc;u h&#417;n cho th&#7845;y r&#7857;ng c&aacute;c gen &#273;&#432;&#7907;c x&aacute;c &#273;&#7883;nh b&#7903;i m&#7897;t s&#7889; m&atilde; s&#7855;p x&#7871;p c&aacute;c baz&#417; nit&#417; (base nit&#417; hay c&ograve;n g&#7885;i l&agrave; nucleobase) kh&aacute;c nhau, c&aacute;c baz&#417; nit&#417; kh&aacute;c nhau n&agrave;y s&#7869; l&#7841;i c&oacute; c&#7845;u tr&uacute;c ph&acirc;n t&#7917; kh&aacute;c nhau, ch&#7881; c&#7847;n c&oacute; m&#7897;t ch&uacute;t thay &#273;&#7893;i v&#7873; c&aacute;c nguy&ecirc;n t&#7889; v&agrave; c&#7845;u tr&uacute;c c&#7911;a ph&acirc;n t&#7917; th&igrave; c&oacute; th&#7875; d&#7851;n &#273;&#7871;n thay &#273;&#7893;i ho&agrave;n to&agrave;n v&#7873; t&iacute;nh tr&#7841;ng b&#7873; ngo&agrave;i v&agrave; ch&#7913;c n&#259;ng c&#7911;a lo&agrave;i.<\/p>\n<p>Truy t&igrave;m xu&#7889;ng n&#7919;a, c&aacute;c ph&acirc;n t&#7917; &#273;&#432;&#7907;c t&#7841;o th&agrave;nh t&#7915; c&aacute;c nguy&ecirc;n t&#7917;, c&aacute;c nguy&ecirc;n t&#7917; &#273;&#432;&#7907;c t&#7841;o th&agrave;nh t&#7915; c&aacute;c electron, neutron v&agrave; proton, xu&#7889;ng d&#432;&#7899;i n&#7919;a c&ograve;n c&oacute; c&aacute;c h&#7841;t quark v&agrave; neutrino v.v., c&#7913; nh&#432; th&#7871; cho &#273;&#7871;n m&#7913;c nh&#7887; v&ocirc; h&#7841;n nh&#7887; v&ocirc; h&#7841;n. Hi&#7879;n nay con ng&#432;&#7901;i ch&#7881; nh&#7853;n th&#7913;c r&#7857;ng gen l&agrave; &#273;&#417;n v&#7883; c&#417; b&#7843;n mang th&ocirc;ng tin di truy&#7873;n, ch&#7913; kh&ocirc;ng bi&#7871;t &#273;&#432;&#7907;c nh&#7919;ng thay &#273;&#7893;i tinh vi trong c&#7845;u tr&uacute;c c&#7911;a c&aacute;c h&#7841;t nh&#7887; h&#417;n gen, nh&#432; ph&acirc;n t&#7917;, nguy&ecirc;n t&#7917; v&agrave; electron v.v. c&#7911;a baz&#417; nit&#417; ho&#7863;c nh&#7919;ng h&#7841;t nh&#7887; h&#417;n baz&#417;, s&#7869; &#7843;nh h&#432;&#7903;ng nh&#432; th&#7871; n&agrave;o &#273;&#7871;n bi&#7875;u &#273;&#7841;t th&ocirc;ng tin di truy&#7873;n.<\/p>\n<p>C&oacute; ngh&#297;a l&agrave; ch&uacute;ng ta ch&#7881; hi&#7875;u &#273;&#432;&#7907;c m&#7897;t v&agrave;i hi&#7879;n t&#432;&#7907;ng h&#7871;t s&#7913;c nh&#7887; b&eacute; trong chi&#7873;u s&acirc;u r&#7897;ng v&ocirc; h&#7841;n. Nh&#432; th&#7871; th&igrave; l&agrave;m sao c&oacute; th&#7875; t&ugrave;y ti&#7879;n &#273;i &#273;&#7871;n k&#7871;t lu&#7853;n r&#7857;ng: &ldquo;Con ng&#432;&#7901;i ch&#7881; c&oacute; th&#7875; h&#7845;p th&#7909; c&aacute;c ph&acirc;n t&#7917; nh&#7887;, khi c&aacute;c ph&acirc;n t&#7917; l&#7899;n DNA b&#7883; &#273;&#432;&#7901;ng ti&ecirc;u h&oacute;a ph&acirc;n h&#7911;y th&agrave;nh c&aacute;c ph&acirc;n t&#7917; nucleotide nh&#7887; &#273;&#7897;c l&#7853;p th&igrave; ch&uacute;ng c&#361;ng m&#7845;t ch&#7913;c n&#259;ng mang th&ocirc;ng tin di truy&#7873;n c&#7911;a gen&rdquo;. S&#7921; hi&#7875;u bi&#7871;t khoa h&#7885;c c&#7911;a con ng&#432;&#7901;i v&#7873; c&aacute;c sinh m&#7879;nh hi&#7879;n t&#7841;i v&ocirc; c&ugrave;ng n&ocirc;ng c&#7841;n, c&ograve;n r&#7845;t nhi&#7873;u nh&#7919;ng b&iacute; &#7849;n c&#7911;a nhi&#7873;u v&#7853;t ch&#7845;t c&#7845;u t&#7841;o sinh m&#7879;nh m&agrave; khoa h&#7885;c v&agrave; c&ocirc;ng ngh&#7879; hi&#7879;n &#273;&#7841;i v&#7851;n ch&#432;a c&oacute; c&aacute;ch n&agrave;o nh&#7853;n th&#7913;c &#273;&#432;&#7907;c.<\/p>\n<p>K&#7923; th&#7921;c con ng&#432;&#7901;i hi&#7879;n &#273;&#7841;i c&#361;ng &#273;&atilde; nh&#7853;n ra m&#7897;t s&#7889; v&#7845;n &#273;&#7873;, ch&#7881; l&agrave; v&igrave; nhi&#7873;u ng&#432;&#7901;i v&ocirc; &yacute; hay h&#7919;u &yacute; v&#7851;n kh&ocirc;ng d&aacute;m ho&#7863;c kh&ocirc;ng mu&#7889;n &#273;&#7897;ng ch&#7841;m &#273;&#7871;n ch&uacute;ng. V&iacute; d&#7909; li&ecirc;n quan &#273;&#7871;n s&#7921; hi&#7875;u bi&#7871;t v&#7873; tr&#432;&#7901;ng v&#7853;t ch&#7845;t, nhi&#7873;u ng&#432;&#7901;i &#273;&atilde; bi&#7871;t r&#7857;ng c&aacute;c sinh m&#7879;nh v&#7853;t ch&#7845;t l&#7899;n nh&#7887; kh&aacute;c nhau c&oacute; t&#7891;n t&#7841;i m&#7897;t tr&#432;&#7901;ng ri&ecirc;ng c&#7911;a n&oacute;, tr&#432;&#7901;ng l&agrave; m&#7897;t d&#7841;ng t&#7891;n t&#7841;i th&ocirc;ng tin n&#259;ng l&#432;&#7907;ng c&#7911;a m&#7897;t lo&#7841;i v&#7853;t ch&#7845;t. L&#7845;y c&#417; th&#7875; con ng&#432;&#7901;i l&agrave;m v&iacute; d&#7909;, c&oacute; m&#7897;t tr&#432;&#7901;ng t&#7891;n t&#7841;i trong to&agrave;n b&#7897; c&#417; th&#7875; con ng&#432;&#7901;i, m&#7895;i c&#417; quan c&#7911;a c&#417; th&#7875; con ng&#432;&#7901;i c&#361;ng c&oacute; t&#7891;n t&#7841;i m&#7897;t tr&#432;&#7901;ng ri&ecirc;ng c&#7911;a n&oacute;, c&aacute;c t&#7871; b&agrave;o l&#7841;i c&oacute; tr&#432;&#7901;ng kh&aacute;c nhau, th&ocirc;ng tin tr&#432;&#7901;ng c&#7911;a c&aacute;c th&agrave;nh ph&#7847;n kh&aacute;c nhau c&#7911;a c&ugrave;ng m&#7897;t t&#7871; b&agrave;o, ch&#7859;ng h&#7841;n nh&#432; plasmid, nh&acirc;n t&#7871; b&agrave;o, v.v., c&#361;ng kh&aacute;c nhau, &#7903; m&#7913;c vi quan h&#417;n n&#7919;a, m&#7885;i gen, m&#7885;i c&#7863;p baz&#417; nit&#417;, m&#7885;i ph&acirc;n t&#7917;, m&#7885;i nguy&ecirc;n t&#7917;, electron, proton, neutron, quark, neutrino, v.v. &#273;&#7873;u c&oacute; m&#7897;t tr&#432;&#7901;ng th&ocirc;ng tin n&#259;ng l&#432;&#7907;ng &#273;&#7863;c &#273;&#7883;nh ri&ecirc;ng.<\/p>\n<p>M&#7897;t sinh v&#7853;t thu&#7847;n khi&#7871;t do tr&#7901;i sinh ra s&#7869; c&oacute; m&#7897;t tr&#432;&#7901;ng sinh v&#7853;t nguy&ecirc;n ch&#7845;t, c&#361;ng ch&iacute;nh c&aacute;i m&agrave; ng&#432;&#7901;i ta g&#7885;i l&agrave; &ldquo;h&#432;&#417;ng v&#7883; ban &#273;&#7847;u&rdquo;. Sau khi lai nh&acirc;n t&#7841;o, bi&#7871;n &#273;&#7893;i gen v&agrave; lai t&#7841;o b&#7913;c x&#7841;, th&ocirc;ng tin sinh m&#7879;nh c&#7911;a c&aacute;c lo&agrave;i ngo&#7841;i lai &#273;&#432;&#7907;c tr&#7897;n l&#7851;n trong vi quan c&#7911;a sinh m&#7879;nh, nh&#432; v&#7853;y t&#7921; nhi&ecirc;n c&#361;ng b&#7883; tr&#7897;n l&#7851;n v&agrave; thay &#273;&#7893;i v&#7873; tr&#432;&#7901;ng c&#7911;a h&#432;&#417;ng v&#7883; ban &#273;&#7847;u. Nguy&ecirc;n nh&acirc;n ch&iacute;nh g&acirc;y ra s&#7921; b&#7845;t thu&#7847;n, bi&#7871;n d&#7883; v&agrave; bi&#7871;n &#273;&#7893;i h&#432;&#417;ng v&#7883; l&agrave; do nh&acirc;n gi&#7889;ng nh&acirc;n t&#7841;o, s&#7917; d&#7909;ng r&#7897;ng r&atilde;i ph&acirc;n b&oacute;n h&oacute;a h&#7885;c v&agrave; thu&#7889;c tr&#7915; s&acirc;u. T&#7841;i sao c&aacute;c ph&#432;&#417;ng ph&aacute;p canh t&aacute;c t&#7921; nhi&ecirc;n kh&ocirc;ng g&acirc;y ra s&#7921; bi&#7871;n &#273;&#7893;i v&agrave; b&#7845;t thu&#7847;n ch&#7911;ng lo&agrave;i? C&aacute;c gen ngo&#7841;i lai thu &#273;&#432;&#7907;c th&ocirc;ng qua bi&#7871;n &#273;&#7893;i gen v&agrave; lai gh&eacute;p, v&agrave; c&aacute;c gen thu &#273;&#432;&#7907;c th&ocirc;ng qua nh&acirc;n gi&#7889;ng th&ocirc;ng th&#432;&#7901;ng c&oacute; th&#7921;c s&#7921; l&agrave; kh&ocirc;ng c&oacute; s&#7921; kh&aacute;c bi&#7879;t n&agrave;o &#273;&#7889;i v&#7899;i c&#417; th&#7875; con ng&#432;&#7901;i kh&ocirc;ng? &#272;i&#7873;u n&agrave;y s&#7869; &#273;&#432;&#7907;c th&#7843;o lu&#7853;n &#7903; ph&#7847;n sau.<\/p>\n<p>V&#7873; v&#7845;n &#273;&#7873; d&#432; l&#432;&#7907;ng thu&#7889;c b&#7843;o v&#7879; th&#7921;c v&#7853;t, d&#432;&#7901;ng nh&#432; c&aacute;c nh&agrave; khoa h&#7885;c v&#7851;n l&#7845;y &ldquo;quy &#273;&#7883;nh v&#7873; an to&agrave;n th&#7921;c ph&#7849;m&rdquo; l&agrave; ti&ecirc;u ch&iacute; &#273;&#7875; ki&#7875;m tra ch&acirc;n l&yacute;, nh&#432;ng h&atilde;y th&#7917; t&#432;&#7903;ng t&#432;&#7907;ng h&agrave;ng tr&#259;m n&#259;m tr&#432;&#7899;c, khi con ng&#432;&#7901;i kh&ocirc;ng bi&#7871;t g&igrave; v&#7873; kh&aacute;i ni&#7879;m DNA, gen, nucleotide, v.v., th&igrave; c&aacute;c quy &#273;&#7883;nh v&#7873; th&#7921;c ph&#7849;m t&#432;&#417;ng t&#7921; m&agrave; m&#7885;i ng&#432;&#7901;i cam k&#7871;t s&#7869; nh&#432; th&#7871; n&agrave;o? V&agrave;o th&#7901;i &#273;&oacute;, ph&#7841;m vi ki&#7875;m tra &#273;o l&#432;&#7901;ng, ch&#7881; s&#7889; v&agrave; ph&#432;&#417;ng ph&aacute;p m&agrave; con ng&#432;&#7901;i nh&#7853;n &#273;&#7883;nh li&#7879;u theo quan &#273;i&#7875;m ng&agrave;y nay c&oacute; ph&#7843;i c&#7849;u th&#7843; v&agrave; n&ocirc;ng c&#7841;n kh&ocirc;ng? T&#432;&#417;ng t&#7921; nh&#432; v&#7853;y, 100 n&#259;m sau, khi lo&agrave;i ng&#432;&#7901;i hi&#7875;u r&otilde; h&#417;n v&#7873; sinh m&#7879;nh v&#7853;t ch&#7845;t nh&#7887; h&#417;n neutrino, khi &#273;&oacute; th&igrave; h&#7885; nh&igrave;n l&#7841;i c&aacute;c quy &#273;&#7883;nh ng&agrave;y nay s&#7869; c&#7843;m th&#7845;y nh&#432; th&#7871; n&agrave;o? Li&#7879;u c&oacute; c&#7843;m th&#7845;y qu&aacute; d&#7889;t n&aacute;t v&agrave; t&#7855;c tr&aacute;ch kh&ocirc;ng? L&agrave;m sao l&#7841;i c&oacute; th&#7875; &#273;&#432;a ra nh&#7919;ng kh&#7859;ng &#273;&#7883;nh v&#7873; s&#7921; th&acirc;m s&acirc;u, huy&#7873;n di&#7879;u c&#7911;a v&#361; tr&#7909;, th&#7901;i kh&ocirc;ng v&agrave; sinh m&#7879;nh m&#7897;t c&aacute;ch b&#7915;a b&atilde;i v&agrave; h&#7841;n h&#7865;p nh&#432; v&#7853;y &#273;&#432;&#7907;c?<\/p>\n<p>V&#7853;y n&#7871;u &#273;&#7913;ng t&#7915; m&#7897;t g&oacute;c &#273;&#7897; kh&aacute;c &#273;&#7875; nh&igrave;n v&#259;n h&oacute;a truy&#7873;n th&#7889;ng, b&#7913;c tranh s&#7869; nh&#432; th&#7871; n&agrave;o? &#7902; &#273;&acirc;y c&#7847;n n&oacute;i r&otilde; v&#259;n h&oacute;a truy&#7873;n th&#7889;ng &#273;&iacute;ch th&#7921;c kh&ocirc;ng ph&#7843;i l&agrave; s&#7921; pha tr&#7897;n &#273;&#417;n gi&#7843;n c&aacute;c h&#7885;c thuy&#7871;t c&#7911;a c&aacute;c tr&#432;&#7901;ng ph&aacute;i t&#432; t&#432;&#7903;ng B&aacute;ch gia ch&#432; t&#7917; c&#7893; &#273;&#7841;i, m&agrave; l&agrave; n&#7897;i h&agrave;m v&agrave; tinh hoa &#7849;n ch&#7913;a trong bi&#7875;u t&#432;&#7907;ng v&#259;n h&oacute;a, t&#7913;c l&agrave; v&#259;n h&oacute;a ch&iacute;nh th&#7889;ng, ch&#7913; kh&ocirc;ng ph&#7843;i l&agrave; nh&#7919;ng th&#7913; c&#7863;n b&atilde;, ph&#7909; di&#7879;n.<\/p>\n<p>(C&ograve;n ti&#7871;p)<\/p>\n<p>D&#7883;ch t&#7915;: <a class=\"external free\" href=\"https:\/\/www.zhengjian.org\/node\/268974\" rel=\"nofollow\">https:\/\/www.zhengjian.org\/node\/268974<\/a><\/p>\n\n\n","protected":false},"excerpt":{"rendered":"<p>[ChanhKien.org] [Ghi ch&uacute; c&#7911;a Ban bi&ecirc;n t&#7853;p] C&#7843;m &#417;n s&#7921; &#7911;ng h&#7897; nhi&#7879;t t&igrave;nh c&#7911;a c&aacute;c &#273;&#7891;ng tu, sau khi &#273;&#259;ng t&#7843;i b&agrave;i &ldquo;Th&ocirc;ng tri k&ecirc;u g&#7885;i g&#7917;i b&agrave;i nh&acirc;n d&#7883;p 20 n&#259;m Ch&aacute;nh Ki&#7871;n Net&rdquo;, ch&uacute;ng t&ocirc;i li&ecirc;n t&#7909;c nh&#7853;n &#273;&#432;&#7907;c b&agrave;i vi&#7871;t c&#7911;a c&aacute;c &#273;&#7891;ng tu g&#7917;i &#273;&#7871;n. Th&#7901;i h&#7841;n cu&#7889;i c&ugrave;ng nh&#7853;n [&hellip;]<\/p>\n","protected":false},"author":13,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","ngg_post_thumbnail":0,"footnotes":""},"categories":[80,304],"tags":[371],"class_list":["post-28066","post","type-post","status-publish","format-standard","hentry","category-khoa-hoc-khac","category-loat-bai","tag-bai-viet-nhan-dip-20-nam-chanh-kien-net"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Nh\u1eefng suy ngh\u0129 v\u1ec1 c\u00f4ng ngh\u1ec7 sinh h\u1ecdc n\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i (Ph\u1ea7n 1) [B\u00e0i vi\u1ebft nh\u00e2n d\u1ecbp 20 n\u0103m Ch\u00e1nh Ki\u1ebfn Net] - Ch\u00e1nh Ki\u1ebfn Net<\/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:\/\/chanhkien.org\/2021\/11\/bai-viet-nhan-dip-20-nam-chanh-kien-net-nhung-suy-nghi-ve-cong-nghe-sinh-hoc-nong-nghiep-hien-dai-phan-1.html\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Nh\u1eefng suy ngh\u0129 v\u1ec1 c\u00f4ng ngh\u1ec7 sinh h\u1ecdc n\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i (Ph\u1ea7n 1) [B\u00e0i vi\u1ebft nh\u00e2n d\u1ecbp 20 n\u0103m Ch\u00e1nh Ki\u1ebfn Net] - Ch\u00e1nh Ki\u1ebfn Net\" \/>\n<meta property=\"og:description\" content=\"[ChanhKien.org] [Ghi ch&uacute; c&#7911;a Ban bi&ecirc;n t&#7853;p] C&#7843;m &#417;n s&#7921; &#7911;ng h&#7897; nhi&#7879;t t&igrave;nh c&#7911;a c&aacute;c &#273;&#7891;ng tu, sau khi &#273;&#259;ng t&#7843;i b&agrave;i &ldquo;Th&ocirc;ng tri k&ecirc;u g&#7885;i g&#7917;i b&agrave;i nh&acirc;n d&#7883;p 20 n&#259;m Ch&aacute;nh Ki&#7871;n Net&rdquo;, ch&uacute;ng t&ocirc;i li&ecirc;n t&#7909;c nh&#7853;n &#273;&#432;&#7907;c b&agrave;i vi&#7871;t c&#7911;a c&aacute;c &#273;&#7891;ng tu g&#7917;i &#273;&#7871;n. 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