{"id":12475,"date":"2009-05-28T18:00:00","date_gmt":"2009-05-28T18:00:00","guid":{"rendered":""},"modified":"2009-05-28T18:00:00","modified_gmt":"2009-05-28T18:00:00","slug":"vyrai-gali-isnykti","status":"publish","type":"post","link":"https:\/\/www.pasveik.lt\/lt\/sveikatos-ir-medicinos-naujienos\/vyrai-gali-isnykti\/12475\/","title":{"rendered":"Vyrai gali i\u0161nykti"},"content":{"rendered":"<p style=\"text-align: justify\"><strong>D\u0117l Y chromosomoje nuolat ma\u017e\u0117jan\u010di\u0173 gen\u0173 vyrai pateko \u012f evoliucijos akligatv\u012f ir po 5 mln. met\u0173 gali visi\u0161kai i\u0161nykti, tvirtina genetikos ekspert\u0117. Ta\u010diau kai kurie mokslininkai mano, kad tokia prognoz\u0117 pernelyg optimistin\u0117.<\/strong> \u0160iuolaikini\u0173 vyr\u0173 genetiniame kode esanti Y chromosoma spar\u010diai nyksta, nes, skirtingai nei kitos, nesugeba atsistatyti. Pasak genetik\u0173, Y chromosoma, kurios n\u0117ra moter\u0173 organizme, yra archain\u0117 strukt\u016bra, nesugebanti kompensuoti \u017ealos, kuri jai padaroma d\u0117l aplinkos poveikio. Tod\u0117l anks\u010diau ar v\u0117liau genus prarandanti Y chromosoma nebesugeb\u0117s atlikti savo paskirties &ndash; nulemti vyri\u0161k\u0105 b\u016bsimo embriono lyt\u012f. <br \/>\n&nbsp;<\/p>\n<p style=\"text-align: justify\">Ta\u010diau tai nerei\u0161kia, kad nei\u0161vengiamai art\u0117ja moter\u0173 pasaulis: pasak genetik\u0117s, Australijos Nacionalinio universiteto Kanberoje profesor\u0117s Jennifer Graves, vyrai evoliucijos kelyje gali &bdquo;i\u0161sigelb\u0117ti&ldquo; pasek\u0119 kai kuri\u0173 grau\u017eik\u0173 r\u016b\u0161i\u0173 pavyzd\u017eiu. Tokie gyv\u016bnai sugeba daugintis, nors ir neturi svarbiausi\u0173 Y chromosom\u0105 sudaran\u010di\u0173 gen\u0173, ra\u0161o brit\u0173 dienra\u0161tis &bdquo;Daily Telegraph&ldquo;. <br \/>\nSkaitydama paskait\u0105 Karali\u0161kajame Chirurg\u0173 koled\u017ee Dubline (Airija), mokslinink\u0117 parei\u0161k\u0117 mananti, kad ateityje net gali atsirasti naujos \u017emoni\u0173 r\u016b\u0161ys.<!-- START of joscomment --><\/p>\n<p style=\"text-align: justify\">Lietuvos sveikata<\/p>\n","protected":false},"excerpt":{"rendered":"<p style=\"text-align: justify\"><strong>D\u0117l Y chromosomoje nuolat ma\u017e\u0117jan\u010di\u0173 gen\u0173 vyrai pateko \u012f evoliucijos akligatv\u012f ir po 5 mln. met\u0173 gali visi\u0161kai i\u0161nykti, tvirtina genetikos ekspert\u0117. Ta\u010diau kai kurie mokslininkai mano, kad tokia prognoz\u0117 pernelyg optimistin\u0117.<\/strong> \u0160iuolaikini\u0173 vyr\u0173 genetiniame kode esanti Y chromosoma spar\u010diai nyksta, nes, skirtingai nei kitos, nesugeba atsistatyti. Pasak genetik\u0173, Y chromosoma, kurios n\u0117ra moter\u0173 organizme, yra archain\u0117 strukt\u016bra, nesugebanti kompensuoti \u017ealos, kuri jai padaroma d\u0117l aplinkos poveikio. Tod\u0117l anks\u010diau ar v\u0117liau genus prarandanti Y chromosoma nebesugeb\u0117s atlikti savo paskirties &ndash; nulemti vyri\u0161k\u0105 b\u016bsimo embriono lyt\u012f. <br \/>\n&nbsp;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[],"tags":[1838,1837],"site":[],"post_item_type":[27344],"class_list":["post-12475","post","type-post","status-publish","format-standard","hentry","tag-chromosoma","tag-evoliucijos"],"acf":{"post_sites":false},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.pasveik.lt\/lt\/wp-json\/wp\/v2\/posts\/12475","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pasveik.lt\/lt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pasveik.lt\/lt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pasveik.lt\/lt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pasveik.lt\/lt\/wp-json\/wp\/v2\/comments?post=12475"}],"version-history":[{"count":0,"href":"https:\/\/www.pasveik.lt\/lt\/wp-json\/wp\/v2\/posts\/12475\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.pasveik.lt\/lt\/wp-json\/wp\/v2\/media?parent=12475"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pasveik.lt\/lt\/wp-json\/wp\/v2\/categories?post=12475"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pasveik.lt\/lt\/wp-json\/wp\/v2\/tags?post=12475"},{"taxonomy":"site","embeddable":true,"href":"https:\/\/www.pasveik.lt\/lt\/wp-json\/wp\/v2\/site?post=12475"},{"taxonomy":"post_item_type","embeddable":true,"href":"https:\/\/www.pasveik.lt\/lt\/wp-json\/wp\/v2\/post_item_type?post=12475"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}