{"id":118685,"date":"2024-05-09T13:31:13","date_gmt":"2024-05-09T10:31:13","guid":{"rendered":"https:\/\/milliycha.uz\/?p=118685"},"modified":"2024-05-09T13:31:44","modified_gmt":"2024-05-09T10:31:44","slug":"poliploidiya-2","status":"publish","type":"post","link":"https:\/\/milliycha.uz\/ru\/poliploidiya-2\/","title":{"rendered":"Poliploidiya"},"content":{"rendered":"\n<p>Poliploidiya (poli&#8230; va Yun. eidos \u2014 ko&#8217;rinish, shakl) \u2014 tirik orga- nizmlar hujayrasidagi xromosomalari sonining ularning gaploid miqdoriga nisbatan 3 yoki undan ko&#8217;proq marta oshib ketishi. Bunday hujayra yoki undan ri- vojlangan organizm poliploid deyila- Di. Xromosomalar soni 3 marta oshgani- da triploid, 4 marta oshganida tetraplo- ID deyiladi. Poliploid organizm ota- ona organizmga nisbatan yirik va kuchli bo&#8217;ladi. P. o&#8217;simliklar orasida keng Tap-kalgan; madaniy o&#8217;simliklar, odatda, poliploid bo&#8217;ladi. P. hayvonlar orasi- da ayrim qisqichbaqasimonlar, suvda va quruqlikda yashovchilar, as-karidalarda uchraydi. Sun&#8217;iy P. yuqori harorat, nur- lanish, kimyoviy moddalar (kolxisin va b.) ta&#8217;sir et-tirib hosil qilinadi. P. katta amaliy ahamiyatga ega. Poliploid o&#8217;simliklar yirik va serhosil bo&#8217;ladi. P. dan o&#8217;simlik navlari xususiyatini yax- shilash, yirik va serhosil navlar etish- tirishda keng foydalaniladi. Rus olimi B. L. Astaurov tut ipak qurti ikki xil zotining duragaylaridan serpusht tetraploid zotni etish-tirgan. Ana shu asosda Astaurov ayrim jinsli hayvonlarning poliploid formalari partenogenez va gibridizasiya usuli b-n kelib chiqishi mumkinligini amalda is- bot qildi.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Poliploidiya (poli&#8230; va Yun. eidos \u2014 ko&#8217;rinish, shakl) \u2014 tirik orga- nizmlar hujayrasidagi xromosomalari sonining ularning gaploid miqdoriga nisbatan 3 yoki undan ko&#8217;proq marta oshib ketishi. Bunday hujayra yoki undan &hellip; <a href=\"https:\/\/milliycha.uz\/ru\/poliploidiya-2\/\" class=\"more-link\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":99837,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[226],"tags":[],"class_list":["post-118685","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-p-harfi","entry"],"translation":{"provider":"WPGlobus","version":"3.0.2","language":"ru","enabled_languages":["uz","kr","ru"],"languages":{"uz":{"title":true,"content":true,"excerpt":false},"kr":{"title":false,"content":false,"excerpt":false},"ru":{"title":false,"content":false,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/posts\/118685","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/comments?post=118685"}],"version-history":[{"count":1,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/posts\/118685\/revisions"}],"predecessor-version":[{"id":118749,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/posts\/118685\/revisions\/118749"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/media\/99837"}],"wp:attachment":[{"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/media?parent=118685"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/categories?post=118685"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/milliycha.uz\/ru\/wp-json\/wp\/v2\/tags?post=118685"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}