\u00dcreme: Canl\u0131lar\u0131n neslini devam ettirebilmek i\u00e7in kendine benzer bireyler meydana getirmelerine \u00fcreme veya \u00e7o\u011falma denir.
\n \u0130ki tip \u00fcreme vard\u0131r. Bunlar
\n 1. E\u015feysiz \u00fcreme
\n 2. E\u015feyli \u00fcreme
\n E\u015feysiz \u00fcreme ile e\u015feyli \u00fcremeyi kar\u015f\u0131la\u015ft\u0131rmal\u0131 olarak \u00f6\u011frenelim.
\n E\u015feysiz \u00e7o\u011falma (\u00fcreme)
\n \u2022 Temelini mitoz b\u00f6l\u00fcnme olu\u015fturur.
\n \u2022 Erkeklik ve di\u015filik yoktur (Cinsiyet yok)
\n \u2022 Tek bir ata canl\u0131 bulunur.
\n \u2022 Yavru bireyler ata canl\u0131dan mitoz b\u00f6l\u00fcnme ile olu\u015fur.
\n \u2022 Olu\u015fan canl\u0131lar\u0131n b\u00fct\u00fcn genetik \u00f6zellikleri ata canl\u0131-ntn ayn\u0131s\u0131d\u0131r.
\n \u2022 Canl\u0131lar\u0131n \u00e7e\u015fitlili\u011finde etkisi yoktur.
\n \u00bbOtu\u015fan bireylerin ortam \u015fartlar\u0131na dayan\u0131kl\u0131l\u0131klar\u0131 ay*
\n n\u0131d\u0131r.
\n E\u015feyli \u00e7o\u011falma (\u00fcreme)
\n \u2022 Temelini mayoz b\u00f6l\u00fcnme olu\u015fturur. (Mitoz bu tip \u00fcremede h\u00fccre say\u0131s\u0131n\u0131 artt\u0131r\u0131r.)
\n \u2022 Cinsiyet vard\u0131r. (Erkek ve di\u015fi olmak \u00fczere iki birey bulunur.
\n \u2022 Bu tip \u00fcremede mayoz b\u00f6l\u00fcnme ile \u00f6nce gametler olu\u015fur, daha sonra gametler birle\u015fir (d\u00f6llenme) zigot olu\u015fur. Zigot da mitozla geli\u015ferek canl\u0131y\u0131 olu\u015fturur.
\n \u2022 E\u015feyli \u00fcremede canl\u0131lar aras\u0131nda gen al\u0131\u015fveri\u015fi oldu*\u011fundan olu\u015fan canl\u0131lar anne ve babadan farkl\u0131 \u00f6zelliklere sahip olur. Bu da ortam \u015fartlar\u0131na daha dayan\u0131kl\u0131 bireylerin olu\u015fmas\u0131n\u0131 sa\u011flar. <\/p>\n
Etraf\u0131m\u0131zda g\u00f6rd\u00fc\u011f\u00fcm\u00fcz makroskobik canl\u0131lar ve g\u00f6remedi\u011fimiz mikroskobik canl\u0131lar h\u00fccrelerden meydana gelmi\u015ftir. H\u00fccreler ancak mikroskopla g\u00f6r\u00fclebilecek kadar k\u00fc\u00e7\u00fck, canl\u0131 ve \u00e7ok karma\u015f\u0131k yap\u0131lard\u0131r. \u0130lk defa 1665 y\u0131l\u0131nda Robert Hook, mantar dokusunu incelemi\u015f g\u00f6zlemledi\u011fi yap\u0131larda k\u00fc\u00e7\u00fck bo\u015fluklar g\u00f6rm\u00fc\u015f ve g\u00f6rd\u00fc\u011f\u00fc bu bo\u015fluklara i\u00e7i bo\u015f odac\u0131klar anl….. gelen HUCRE demi\u015ftir. Ancak h\u00fccre biliminin ba\u015flang\u0131c\u0131 Matthias Schleiden ve Theodor Scwann taraf\u0131ndan ortaya konan h\u00fccre teorisine dayanmaktad\u0131r. Bu teori, t\u00fcm canl\u0131lar\u0131n h\u00fccrelerden meydana geldi\u011fini ve canl\u0131 yap\u0131s\u0131na kat\u0131lan her h\u00fccrenin ba\u011f\u0131ms\u0131z olmalar\u0131na kar\u015f\u0131n birlikte \u00e7al\u0131\u015ft\u0131klar\u0131n\u0131 ifade eder.
\n Bug\u00fcnk\u00fc anlamda h\u00fccre teorisi
\n *B\u00fct\u00fcn canhlar bir veya bir \u00e7ok h\u00fccreden meydana gelir.
\n *H\u00fccreler canl\u0131n\u0131n en k\u00fc\u00e7\u00fck yap\u0131sal ve fonksyonel birimidir.
\n *H\u00fccreler kendilerinden \u00f6nceki h\u00fccrelerin b\u00f6l\u00fcnmesi \u0130le meydana gelirler.
\n *Canl\u0131n\u0131n kal\u0131t\u0131m maddeleri h\u00fccrelerde bulunur.
\n H\u00dcCREN\u0130N \u015eEKLI VE b\u00fcy\u00fckl\u00fc\u011f\u00fc
\n H\u00fccreler \u00e7o\u011funlukla mikroskobik olmakla birlikte, g\u00f6zle g\u00f6r\u00fclebilecek b\u00fcy\u00fckl\u00fckte olan h\u00fccrelerde vard\u0131r En k\u00fc\u00e7\u00fck h\u00fccreler gametler, bakteriler ve parazit bir h\u00fccrelilerdir. En b\u00fcy\u00fck h\u00fccre ise deve ku\u015fu yumurtas\u0131d\u0131r. Bilinen en uzun h\u00fccre ise 1 m kadar uzunluktaki sinir h\u00fccreleridir.
\n H\u00fccrelerin \u015fekilleri farkl\u0131 farkl\u0131d\u0131r. Y\u0131ld\u0131z, oval, k\u00fcp, silindir, dikd\u00f6rtgen vb. \u015fekillerde olabilir. Mesela kemik h\u00fcc-releri y\u0131ld\u0131z, salg\u0131 h\u00fccreleri k\u00fcbik, ince ba\u011f\u0131rsa\u011f\u0131n i\u00e7 ta-baka h\u00fccreleri silindirik, bitki h\u00fccreleri k\u00fcbik veya \u00e7ok \u015fekilli olabilir.<\/p>\n","protected":false},"excerpt":{"rendered":"
\u00dcreme: Canl\u0131lar\u0131n neslini devam ettirebilmek i\u00e7in kendine benzer bireyler meydana getirmelerine \u00fcreme veya \u00e7o\u011falma denir. \u0130ki tip \u00fcreme vard\u0131r. Bunlar 1. E\u015feysiz \u00fcreme 2. E\u015feyli \u00fcreme E\u015feysiz \u00fcreme ile e\u015feyli \u00fcremeyi kar\u015f\u0131la\u015ft\u0131rmal\u0131 olarak \u00f6\u011frenelim. E\u015feysiz \u00e7o\u011falma (\u00fcreme) \u2022 Temelini mitoz b\u00f6l\u00fcnme olu\u015fturur. \u2022 Erkeklik ve di\u015filik yoktur (Cinsiyet yok) \u2022 Tek bir ata canl\u0131 bulunur. …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1407,1403],"tags":[6668,5696,5778,3452,5785],"class_list":["post-2694","post","type-post","status-publish","format-standard","hentry","category-fen-ve-teknoloji-odevleri","category-odevler","tag-canlilarda-cogalma","tag-eseyli-ureme","tag-eseysiz-ureme","tag-mitoz-bolunme","tag-ureme"],"_links":{"self":[{"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/posts\/2694","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/comments?post=2694"}],"version-history":[{"count":0,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/posts\/2694\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/media?parent=2694"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/categories?post=2694"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/tags?post=2694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}