{"id":41035,"date":"2013-01-27T20:24:19","date_gmt":"2013-01-27T18:24:19","guid":{"rendered":"http:\/\/www.sorubak.com\/blog\/?p=41035"},"modified":"2013-01-27T20:24:19","modified_gmt":"2013-01-27T18:24:19","slug":"ureme-hucrelerinin-birlesmesi-dollenme","status":"publish","type":"post","link":"https:\/\/www.sorubak.com\/blog\/ureme-hucrelerinin-birlesmesi-dollenme.html","title":{"rendered":"\u00dcreme H\u00fccrelerinin Birle\u015fmesi (D\u00f6llenme)"},"content":{"rendered":"<p>Di\u015fi ve erkek \u00f6zelli\u011fi ta\u015f\u0131yan h\u00fccrelere gamet ad\u0131 verilir. Di\u015fi gamete yumurta,erkek gamete sperm denir.<\/p>\n<p>Yumurta; b\u00fcy\u00fck, bol sitoplazmal\u0131 ve hareketsizdir.<br \/>\nSpermler ise hareketli, yumurtaya g\u00f6re \u00e7ok k\u00fc\u00e7\u00fck olup az sitoplazmal\u0131d\u0131r ve kuyru\u011fu vard\u0131r.<br \/>\nErkek ve di\u015fi \u00fcreme organlar\u0131nda olu\u015fan ana h\u00fccreler 2n kromozomludur. Bu ana h\u00fccreler, e\u015fey h\u00fccrelerini olu\u015ftururken mitoz b\u00f6l\u00fcnmeden sonra kromozom say\u0131s\u0131n\u0131 yar\u0131ya indirgeyen mayoz b\u00f6l\u00fcnme ge\u00e7irir. Olu\u015fan e\u015fey h\u00fccreleri n kromozomludur. n kromozomlu yumurta h\u00fccresinin \u00e7ekirde\u011fi ile n kromozomlu sperm h\u00fccresinin \u00e7ekirde\u011finin birle\u015fip kayna\u015fmas\u0131na d\u00f6llenme denir. D\u00f6llenmi\u015f 2n kromozomlu, \u00e7ift \u00e7ekirdekli yumurta h\u00fccresi de zigot ad\u0131n\u0131 al\u0131r.<br \/>\nZigot, di\u015fi ve erkek gamete ait birer tak\u0131m kromozom ta\u015f\u0131r. Zigot, geli\u015fimini v\u00fccut i\u00e7inde tamamlar. Birbirini izleyen mitoz b\u00f6l\u00fcnmeler ile embriyoyu olu\u015fturur. Embriyo, canl\u0131n\u0131n t\u00fcm \u00f6zelli\u011fini ta\u015f\u0131yan tasla\u011f\u0131d\u0131r. Embriyo geli\u015ferek canl\u0131y\u0131 meydana getirir.<br \/>\nAyn\u0131 anda iki ayr\u0131 yumurta h\u00fccresinin, iki ayr\u0131 sperm h\u00fccresi ile d\u00f6llenmesi sonucu ayr\u0131 yumurta ikizleri olu\u015fur. Bu ikizlerin hem genotipi hem fenotipi birbirinden farkl\u0131d\u0131r. Cinsiyetleri ayn\u0131 veya farkl\u0131 olabilir.<br \/>\nD\u00f6llenmi\u015f bir yumurta (zigot) ikiye b\u00f6l\u00fcnerek ana rahminde birbirinden ayr\u0131larak geli\u015firse, tek yumurta ikizlerini olu\u015fturur. Tek yumurta ikizlerinin genotipleri ayn\u0131d\u0131r,fenotip olarak da birbirlerine \u00e7ok benzerler. Tek yumurta ikizlerinin cinsiyetleri de ayn\u0131d\u0131r.\u0130kisi de k\u0131z veya ikisi de erkektir<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Di\u015fi ve erkek \u00f6zelli\u011fi ta\u015f\u0131yan h\u00fccrelere gamet ad\u0131 verilir. Di\u015fi gamete yumurta,erkek gamete sperm denir. Yumurta; b\u00fcy\u00fck, bol sitoplazmal\u0131 ve hareketsizdir. Spermler ise hareketli, yumurtaya g\u00f6re \u00e7ok k\u00fc\u00e7\u00fck olup az sitoplazmal\u0131d\u0131r ve kuyru\u011fu vard\u0131r. Erkek ve di\u015fi \u00fcreme organlar\u0131nda olu\u015fan ana h\u00fccreler 2n kromozomludur. Bu ana h\u00fccreler, e\u015fey h\u00fccrelerini olu\u015ftururken mitoz b\u00f6l\u00fcnmeden sonra kromozom say\u0131s\u0131n\u0131 &#8230; <a title=\"\u00dcreme H\u00fccrelerinin Birle\u015fmesi (D\u00f6llenme)\" class=\"read-more\" href=\"https:\/\/www.sorubak.com\/blog\/ureme-hucrelerinin-birlesmesi-dollenme.html\" aria-label=\"More on \u00dcreme H\u00fccrelerinin Birle\u015fmesi (D\u00f6llenme)\">Devam\u0131n\u0131 oku&#8230;<\/a><\/p>\n","protected":false},"author":1685,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[302,14823],"class_list":["post-41035","post","type-post","status-publish","format-standard","hentry","category-fen-teknoloji","tag-dollenme","tag-ureme-hucreleri"],"_links":{"self":[{"href":"https:\/\/www.sorubak.com\/blog\/wp-json\/wp\/v2\/posts\/41035","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sorubak.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sorubak.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sorubak.com\/blog\/wp-json\/wp\/v2\/users\/1685"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sorubak.com\/blog\/wp-json\/wp\/v2\/comments?post=41035"}],"version-history":[{"count":0,"href":"https:\/\/www.sorubak.com\/blog\/wp-json\/wp\/v2\/posts\/41035\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.sorubak.com\/blog\/wp-json\/wp\/v2\/media?parent=41035"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sorubak.com\/blog\/wp-json\/wp\/v2\/categories?post=41035"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sorubak.com\/blog\/wp-json\/wp\/v2\/tags?post=41035"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}