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    <title>hafif.org - etiketler: genom</title>
    <link>http://www.hafif.org/</link>
    <language>tr-tr</language>
    <ttl>40</ttl>
    <description>hafif.org - etiketler: genom</description>
    <item>
      <title>Anosmi: Koku Duyusu Yitimi - 2</title>
      <author>kapuska</author>
      <description>&lt;p&gt;Serinin ba&#351;&#305; i&#231;in &lt;a href="http://www.hafif.org/yazi/anosmi-koku-duyusu-yitimi-1"&gt;buradan&lt;/a&gt;...&lt;/p&gt;


	&lt;p&gt;Be&#351; duyumuz i&#231;inde &#252;vey evlat muamelesi yapsak da kokusuz bir hayat, karanl&#305;k ya da sessiz olan&#305; kadar &#231;ekilmez. Belki d&#305;&#351;ardan farkedilmedi&#287;i veya devlete ekonomik bir y&#252;k&#252; olmad&#305;&#287;&#305; i&#231;in es ge&#231;iliyor ama ara&#351;t&#305;rmalara g&#246;re Amerikan n&#252;fusunun % 1&#8217;ine ve 50 ya&#351; &#252;st&#252; ki&#351;ilerin %24&#8217;&#252;ne yak&#305;n&#305; k&#305;smi de olsa koku alam&#305;yor. Koku alamamak ayn&#305; zamanda tat duyumuza da ket vuruyor. Dil d&#246;rt temel tad&#305; almaya devam da etse koku duyusu olmadan yedi&#287;imiz &#231;ilek tatl&#305; ve sulu bir &#351;eye, varken de bir&#351;eye benzemeyen karn&#305;bahar ve kereviz hi&#231;bir &#351;eye benzemeyecektir.&lt;/p&gt;


	&lt;p&gt;Bunun haricinde koku haf&#305;zayla da yak&#305;ndan ilgilidir. Beyin, insan ya&#351;am&#305;n&#305; s&#252;rd&#252;rebilmek ad&#305;na &#246;nemli kabul etti&#287;i kokular&#305; unutmaz. Bu beslenebilmek, zehirlenmemek, anne, e&#351; ve &#231;ocuk bulmak ve tehlikelerden ka&#231;mak ad&#305;na evrimsel a&#231;&#305;dan en eski g&#246;revlerden biridir. Evrimsel diyoruz, &#231;&#252;nk&#252; insan koku genlerinin &#231;o&#287;u on milyon y&#305;ldan daha eski olmakla beraber bu genlerin bir &#231;o&#287;u g&#252;n&#252;m&#252;zde art&#305;k &#231;al&#305;&#351;m&#305;yor. Ancak buna ra&#287;men insan genomunun %3&#8217;&#252; gibi y&#252;ksek bir oran&#305; kokular&#305; ay&#305;rt etmek &#252;zere g&#246;rev yap&#305;yor.&lt;/p&gt;


	&lt;p&gt;Koku alabilmek, di&#287;er taraftan,sa&#287;l&#305;k ve sosyal bir ya&#351;am i&#231;in de gerekli. Duman, gaz s&#305;z&#305;nt&#305;s&#305; ya da bayatlam&#305;&#351; yiyeceklere kar&#351;&#305; koku duyusu v&#252;cudumuz i&#231;in bir erken uyar&#305; sistemiyken, yoklu&#287;u durumunda fark&#305;na varamayaca&#287;&#305;m&#305;z v&#252;cut kokular&#305; sosyal felaketleri de engeller. Dahas&#305; kokunun e&#351; se&#231;iminde &#231;ok &#246;nemli bir rol&#252; vard&#305;r. Her insan genetik olarak belirlenmi&#351;, feromon dedi&#287;imiz sadece kendine ait bir koku ta&#351;&#305;yor. Etkileri kesin olarak hen&#252;z anla&#351;&#305;lamam&#305;&#351;sa da &#231;iftleri birbirine yakla&#351;t&#305;rd&#305;&#287;&#305;, uyum ve mutluluk halini artt&#305;rd&#305;&#287;&#305; bir ger&#231;ek.&lt;/p&gt;


	&lt;p&gt;Anosmiden &#246;nce nas&#305;l koku ald&#305;&#287;&#305;m&#305;z&#305; da incelemek laz&#305;m. Koku duyusu burun bo&#351;lu&#287;u tavan&#305;nda yerle&#351;mi&#351; bir pul b&#252;y&#252;kl&#252;&#287;&#252;ndeki koku b&#246;lgesine (Olfactory Epithelium) hava i&#231;erisindeki koku molek&#252;llerinin ula&#351;mas&#305; ile ba&#351;l&#305;yor. Burun i&#231;erisindeki bu koku b&#246;lgesinde be&#351; milyon kadar koku al&#305;c&#305; h&#252;cre (epithelial cells) var. Bu h&#252;crelerin say&#305;s&#305; farede on, tav&#351;anda yirmi milyon iken bir av k&#246;pe&#287;inde 200 milyona kadar &#231;&#305;k&#305;yor. Koku molek&#252;lleri burun i&#231;erisinde dola&#351;an hava ile beraber koku b&#246;lgesindeki sadece kendilerine uyan koku resept&#246;rlerine ba&#287;lanmay&#305; ba&#351;arabildiklerinde koku alg&#305;lanmas&#305; ba&#351;l&#305;yor. Bu uyar&#305; 3-4cm.&#8217;lik bir sinir iletimiyle (olfactory nerves ve olfactory tract) beyindeki koku merkezine ula&#351;t&#305;&#287;&#305;nda beyin daha &#246;nceki deneyimlerle belirlenmi&#351; olan &#351;ifreleri &#231;&#246;zerek kokuyu tan&#305;mam&#305;z&#305; sa&#287;l&#305;yor. T&#252;m di&#287;er sinirlerden farkl&#305; olarak koku sinir u&#231;lar&#305; kendisini uyaranla do&#287;rudan kendisi kar&#351;&#305;la&#351;&#305;yor, bir ba&#351;ka deyi&#351;le beynin kafatas&#305;ndan d&#305;&#351; ortama a&#231;&#305;k oldu&#287;u tek yer burun i&#231;erisindeki koku sinirleri b&#246;lgesi.&lt;/p&gt;


&lt;div class="imajorta"&gt;&lt;img src='http://www.hafif.org/imaj/kapuska/nose-3.jpg' alt="\"\"" border="0"&gt;&lt;br&gt;&lt;/div&gt;

	&lt;p&gt;&lt;p&gt;&lt;a href="http://www.hafif.org/yazi/anosmi-koku-duyusu-yitimi-2"&gt; devam&#305;n&#305; oku &#187;&lt;/a&gt;&lt;/p&gt;&lt;p&gt;&lt;strong&gt;ilgili yaz&#305;lar&lt;/strong&gt;&lt;ul&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/anosmi-koku-duyusu-yitimi-1"&gt;Anosmi: Koku Duyusu Yitimi - 1&lt;/a&gt; (9)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/yasamin-sifresi-cozuldu"&gt;ya&#351;am&#305;n &#351;ifresi &#231;&#246;z&#252;ld&#252;!&lt;/a&gt; (1)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/kok-hucrede-buyuk-devrim"&gt;K&#246;k h&#252;crede b&#252;y&#252;k devrim&lt;/a&gt; (0)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/patrick-suskind-koku"&gt;patrick s&#252;skind- koku&lt;/a&gt; (5)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/cinsel-cekiciligin-sirri"&gt;cinsel &#231;ekicili&#287;in s&#305;rr&#305;&lt;/a&gt; (14)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/gul-kokulu-domates"&gt;G&#252;l kokulu domates&lt;/a&gt; (0)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/insan-hayvan-uretimi"&gt;&#304;nsan Hayvan &#220;retimi&lt;/a&gt; (0)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/insan-hayvan-karisimi-embriyo"&gt;&#304;nsan-hayvan kar&#305;&#351;&#305;m&#305; embriyo..&lt;/a&gt; (0)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/evrimlesmenin-kaynagi"&gt;evrimle&#351;menin kayna&#287;&#305;&lt;/a&gt; (1)&lt;/li&gt;&lt;/ul&gt;&lt;/p&gt;&lt;p&gt;bu yaz&#305; &lt;a href="http://www.hafif.org/uye/kapuska"&gt;kapuska&lt;/a&gt; taraf&#305;ndan hafif.org adresli sitede yay&#305;mlanmak &#252;zere yaz&#305;lm&#305;&#351;t&#305;r. kaynak g&#246;sterilmeksizin kopyalanamaz.&lt;/p&gt;&lt;p&gt;etiketler: &lt;a href="http://www.hafif.org/etiket/anosmi" rel="tag" target="_self"&gt;anosmi&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/anozmi" rel="tag" target="_self"&gt;anozmi&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/anosmia" rel="tag" target="_self"&gt;anosmia&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/koku" rel="tag" target="_self"&gt;koku&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/duyu" rel="tag" target="_self"&gt;duyu&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/duyu%20kayb%C4%B1" rel="tag" target="_self"&gt;duyu kayb&#305;&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/hiposmi" rel="tag" target="_self"&gt;hiposmi&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/hyposmia" rel="tag" target="_self"&gt;hyposmia&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/kallman" rel="tag" target="_self"&gt;kallman&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/parkinson" rel="tag" target="_self"&gt;parkinson&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/alzheimer" rel="tag" target="_self"&gt;alzheimer&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/evrim" rel="tag" target="_self"&gt;evrim&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/genom" rel="tag" target="_self"&gt;genom&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/genetik" rel="tag" target="_self"&gt;genetik&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/feromon" rel="tag" target="_self"&gt;feromon&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/olfactory" rel="tag" target="_self"&gt;olfactory&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/epithelium" rel="tag" target="_self"&gt;epithelium&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/epithelial" rel="tag" target="_self"&gt;epithelial&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/nerve" rel="tag" target="_self"&gt;nerve&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/polip" rel="tag" target="_self"&gt;polip&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/polyp" rel="tag" target="_self"&gt;polyp&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/kokain" rel="tag" target="_self"&gt;kokain&lt;/a&gt;&lt;/p&gt;</description>
      <pubDate>Wed, 09 Jul 2008 06:00:00 GMT</pubDate>
      <guid isPermaLink="false">95325@http://www.hafif.org/</guid>
      <link>http://www.hafif.org/yazi/anosmi-koku-duyusu-yitimi-2</link>
      <category>anosmi</category>
      <category>anozmi</category>
      <category>anosmia</category>
      <category>koku</category>
      <category>duyu</category>
      <category>duyu kayb&#305;</category>
      <category>hiposmi</category>
      <category>hyposmia</category>
      <category>kallman</category>
      <category>parkinson</category>
      <category>alzheimer</category>
      <category>evrim</category>
      <category>genom</category>
      <category>genetik</category>
      <category>feromon</category>
      <category>olfactory</category>
      <category>epithelium</category>
      <category>epithelial</category>
      <category>nerve</category>
      <category>polip</category>
      <category>polyp</category>
      <category>kokain</category>
    </item>
    <item>
      <title>D&#252;nyan&#305;n en tuhaf hayvan&#305; platypusun gen haritas&#305;</title>
      <author>chattagush</author>
      <description>&lt;div class="imajorta"&gt;&lt;img src='http://www.hafif.org/imaj/chattagush/evolution-platypus.gif' alt="D&#252;nyan&#305;n en ilgin&#231; hayvanlar&#305;ndan biri olan platypus yani Ornithorhynchus anatinus " border="0"&gt;&lt;br&gt;&lt;/div&gt;

	&lt;p&gt;Gagas&#305; var &#246;rdek de&#287;il, k&#252;rk&#252; var memeli de&#287;il, zehri var y&#305;lan de&#287;il. Peki, bu ilgin&#231; hayvan&#305;n ad&#305; nedir? Cevab&#305;n&#305;z &lt;a href="http://nature.ca/notebooks/english/platypus.htm"&gt;&lt;strong&gt;platypus&lt;/strong&gt; &lt;/a&gt;olmal&#305;.&lt;/p&gt;


	&lt;p&gt;&lt;a href="http://news.bbc.co.uk/2/hi/science/nature/7385949.stm"&gt;&lt;strong&gt;Platypus,&lt;/strong&gt;&lt;/a&gt; yavrular&#305;n&#305; emzirerek besliyor. Genelde su alt&#305;nda vaktini ge&#231;iriyor ve arka ayaklar&#305;nda kendine has zehrini ta&#351;&#305;yor. Bir ku&#351; gibi gagas&#305; ve kunduz kuyru&#287;una benzer bir kuyru&#287;u var. Kuyru&#287;unu ahenkle sall&#305;yor. Ayr&#305;ca bir s&#252;r&#252;ngen gibi yumurtluyor. &lt;br&gt;&lt;div class="imajorta"&gt;&lt;img src='http://www.hafif.org/imaj/chattagush/ornithorhynchidae-00.jpg' alt="\"\"" border="0"&gt;&lt;br&gt;&lt;/div&gt;&lt;br&gt;D&#252;nyan&#305;n en ilgin&#231; hayvanlar&#305;ndan biri olan platypus yani &lt;em&gt;&lt;strong&gt;&#8220;Ornithorhynchus anatinus&#8221;&lt;/strong&gt; &lt;/em&gt; ya&#351;am alan&#305; olarak kendine Avustralya&#8217;y&#305; se&#231;mi&#351;.&lt;/p&gt;&lt;p&gt;&lt;a href="http://www.hafif.org/yazi/dunyanin-en-tuhaf-hayvani-platypusun"&gt; devam&#305;n&#305; oku &#187;&lt;/a&gt;&lt;/p&gt;&lt;p&gt;&lt;strong&gt;ilgili yaz&#305;lar&lt;/strong&gt;&lt;ul&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/genom-projesinde-buyuk-adim"&gt;Genom Projesinde B&#252;y&#252;k Ad&#305;m&lt;/a&gt; (1)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/en-iyi-dostumuz-kopek-akrabamiz"&gt;en iyi dostumuz kopek, akrabamiz mi?&lt;/a&gt; (4)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/bu-da-birilerine-kapak-olsun"&gt;Bu da birilerine kapak olsun!&lt;/a&gt; (7)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/drd4"&gt;DRD4&lt;/a&gt; (1)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/mosquitoes-and-genes"&gt;Mosquitoes and Genes&lt;/a&gt; (2)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/japon-bilim-adamlari-saydam-kurbaga"&gt;Japon bilim adamlar&#305; saydam kurba&#287;a &#252;retti&lt;/a&gt; (11)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/koyun-kopyaladik-adini-oyali-koyduk"&gt;koyun kopyalad&#305;k, ad&#305;n&#305; oyal&#305; koyduk, hayrl&#305; olsun&lt;/a&gt; (1)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/dunyanin-en-zehirli-hayvanlari-1"&gt;D&#252;nyan&#305;n en zehirli hayvanlar&#305; !&lt;/a&gt; (2)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/vampir-yarasa-avini-nefesinden-tanir"&gt;Vampir Yarasa Av&#305;n&#305; Nefesinden Tan&#305;r!&lt;/a&gt; (19)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/yesil-cayin-anti-kanser-etkisi"&gt;Ye&#351;il &#199;ay&#305;n Anti Kanser Etkisi&lt;/a&gt; (57)&lt;/li&gt;&lt;/ul&gt;&lt;/p&gt;&lt;p&gt;bu yaz&#305; &lt;a href="http://www.hafif.org/uye/chattagush"&gt;chattagush&lt;/a&gt; taraf&#305;ndan hafif.org adresli sitede yay&#305;mlanmak &#252;zere yaz&#305;lm&#305;&#351;t&#305;r. kaynak g&#246;sterilmeksizin kopyalanamaz.&lt;/p&gt;&lt;p&gt;etiketler: &lt;a href="http://www.hafif.org/etiket/bilim" rel="tag" target="_self"&gt;bilim&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/hayvan" rel="tag" target="_self"&gt;hayvan&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/hayvan%20t%C3%BCrleri" rel="tag" target="_self"&gt;hayvan t&#252;rleri&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/ilgin%C3%A7%20hayvanlar" rel="tag" target="_self"&gt;ilgin&#231; hayvanlar&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/tuhaf%20hayvanlar" rel="tag" target="_self"&gt;tuhaf hayvanlar&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/nature" rel="tag" target="_self"&gt;nature&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/nature%20dergisi" rel="tag" target="_self"&gt;nature dergisi&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/zooloji" rel="tag" target="_self"&gt;zooloji&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/biyoloji" rel="tag" target="_self"&gt;biyoloji&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/s%C3%BCr%C3%BCngen" rel="tag" target="_self"&gt;s&#252;r&#252;ngen&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/yumurta" rel="tag" target="_self"&gt;yumurta&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/yumurtlayan%20hayvanlar" rel="tag" target="_self"&gt;yumurtlayan hayvanlar&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/platypus" rel="tag" target="_self"&gt;platypus&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/ornithorhynchus%20anatinus" rel="tag" target="_self"&gt;ornithorhynchus anatinus&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/ornithorhynchus" rel="tag" target="_self"&gt;ornithorhynchus&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/ornitorek" rel="tag" target="_self"&gt;ornitorek&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/gen" rel="tag" target="_self"&gt;gen&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/genom" rel="tag" target="_self"&gt;genom&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/gen%20haritas%C4%B1" rel="tag" target="_self"&gt;gen haritas&#305;&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/genler" rel="tag" target="_self"&gt;genler&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/genetik" rel="tag" target="_self"&gt;genetik&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/dna" rel="tag" target="_self"&gt;dna&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/kunduz" rel="tag" target="_self"&gt;kunduz&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/kuyruk" rel="tag" target="_self"&gt;kuyruk&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/garip%20canl%C4%B1lar" rel="tag" target="_self"&gt;garip canl&#305;lar&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/y%C4%B1lan" rel="tag" target="_self"&gt;y&#305;lan&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/y%C4%B1lan%20zehri" rel="tag" target="_self"&gt;y&#305;lan zehri&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/ara%C5%9Ft%C4%B1rma" rel="tag" target="_self"&gt;ara&#351;t&#305;rma&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/geli%C5%9Fme" rel="tag" target="_self"&gt;geli&#351;me&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/bilimsel%20haberler" rel="tag" target="_self"&gt;bilimsel haberler&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/hayvan%20%C3%A7e%C5%9Fitleri" rel="tag" target="_self"&gt;hayvan &#231;e&#351;itleri&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/do%C4%9Fa%20derne%C4%9Fi" rel="tag" target="_self"&gt;do&#287;a derne&#287;i&lt;/a&gt;&lt;/p&gt;</description>
      <pubDate>Mon, 19 May 2008 06:02:00 GMT</pubDate>
      <guid isPermaLink="false">93978@http://www.hafif.org/</guid>
      <link>http://www.hafif.org/yazi/dunyanin-en-tuhaf-hayvani-platypusun</link>
      <category>bilim</category>
      <category>hayvan</category>
      <category>hayvan t&#252;rleri</category>
      <category>ilgin&#231; hayvanlar</category>
      <category>tuhaf hayvanlar</category>
      <category>nature</category>
      <category>nature dergisi</category>
      <category>zooloji</category>
      <category>biyoloji</category>
      <category>s&#252;r&#252;ngen</category>
      <category>yumurta</category>
      <category>yumurtlayan hayvanlar</category>
      <category>platypus</category>
      <category>ornithorhynchus anatinus</category>
      <category>ornithorhynchus</category>
      <category>ornitorek</category>
      <category>gen</category>
      <category>genom</category>
      <category>gen haritas&#305;</category>
      <category>genler</category>
      <category>genetik</category>
      <category>dna</category>
      <category>kunduz</category>
      <category>kuyruk</category>
      <category>garip canl&#305;lar</category>
      <category>y&#305;lan</category>
      <category>y&#305;lan zehri</category>
      <category>ara&#351;t&#305;rma</category>
      <category>geli&#351;me</category>
      <category>bilimsel haberler</category>
      <category>hayvan &#231;e&#351;itleri</category>
      <category>do&#287;a derne&#287;i</category>
    </item>
    <item>
      <title>Ac&#305;mas&#305;zl&#305;k geni ke&#351;fedildi</title>
      <author>tachyon</author>
      <description>&lt;p&gt;http://www.ntvmsnbc.com/news/441919.asp&lt;/p&gt;&lt;p&gt;&lt;strong&gt;ilgili yaz&#305;lar&lt;/strong&gt;&lt;ul&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/bu-da-birilerine-kapak-olsun"&gt;Bu da birilerine kapak olsun!&lt;/a&gt; (7)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/dunyanin-en-tuhaf-hayvani-platypusun"&gt;D&#252;nyan&#305;n en tuhaf hayvan&#305; platypusun gen haritas&#305;&lt;/a&gt; (0)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/drd4"&gt;DRD4&lt;/a&gt; (1)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/en-iyi-dostumuz-kopek-akrabamiz"&gt;en iyi dostumuz kopek, akrabamiz mi?&lt;/a&gt; (4)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/mosquitoes-and-genes"&gt;Mosquitoes and Genes&lt;/a&gt; (2)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/genom-projesinde-buyuk-adim"&gt;Genom Projesinde B&#252;y&#252;k Ad&#305;m&lt;/a&gt; (1)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/15-insan-olan-koyun"&gt;%15 &#304;NSAN OLAN KOYUN&lt;/a&gt; (23)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/transparan-kurbaga"&gt;Transparan kurba&#287;a&lt;/a&gt; (13)&lt;/li&gt;&lt;/ul&gt;&lt;/p&gt;&lt;p&gt;bu yaz&#305; &lt;a href="http://www.hafif.org/uye/tachyon"&gt;tachyon&lt;/a&gt; taraf&#305;ndan hafif.org adresli sitede yay&#305;mlanmak &#252;zere yaz&#305;lm&#305;&#351;t&#305;r. kaynak g&#246;sterilmeksizin kopyalanamaz.&lt;/p&gt;&lt;p&gt;etiketler: &lt;a href="http://www.hafif.org/etiket/gen" rel="tag" target="_self"&gt;gen&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/genom" rel="tag" target="_self"&gt;genom&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/ac%C4%B1mas%C4%B1zl%C4%B1k" rel="tag" target="_self"&gt;ac&#305;mas&#305;zl&#305;k&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/ac%C4%B1mas%C4%B1z" rel="tag" target="_self"&gt;ac&#305;mas&#305;z&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/bilim" rel="tag" target="_self"&gt;bilim&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/bilimadam%C4%B1" rel="tag" target="_self"&gt;bilimadam&#305;&lt;/a&gt;&lt;/p&gt;</description>
      <pubDate>Tue, 13 May 2008 06:54:00 GMT</pubDate>
      <guid isPermaLink="false">93885@http://www.hafif.org/</guid>
      <link>http://www.hafif.org/yazi/acimasizlik-geni-kesfedildi</link>
      <category>gen</category>
      <category>genom</category>
      <category>ac&#305;mas&#305;zl&#305;k</category>
      <category>ac&#305;mas&#305;z</category>
      <category>bilim</category>
      <category>bilimadam&#305;</category>
    </item>
    <item>
      <title>Bu da birilerine kapak olsun!</title>
      <author>tachyon</author>
      <description>&lt;p&gt;http://www2.internethaber.com/news_detail.php?id=136104&lt;/p&gt;&lt;p&gt;&lt;strong&gt;ilgili yaz&#305;lar&lt;/strong&gt;&lt;ul&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/genom-projesinde-buyuk-adim"&gt;Genom Projesinde B&#252;y&#252;k Ad&#305;m&lt;/a&gt; (1)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/dunyanin-en-tuhaf-hayvani-platypusun"&gt;D&#252;nyan&#305;n en tuhaf hayvan&#305; platypusun gen haritas&#305;&lt;/a&gt; (0)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/drd4"&gt;DRD4&lt;/a&gt; (1)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/en-iyi-dostumuz-kopek-akrabamiz"&gt;en iyi dostumuz kopek, akrabamiz mi?&lt;/a&gt; (4)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/mosquitoes-and-genes"&gt;Mosquitoes and Genes&lt;/a&gt; (2)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/acimasizlik-geni-kesfedildi"&gt;Ac&#305;mas&#305;zl&#305;k geni ke&#351;fedildi&lt;/a&gt; (0)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/boy-babadan-kilo-anadan"&gt;Boy Babadan, Kilo Anadan...&lt;/a&gt; (0)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/pirinc-ve-genetik-sifresi"&gt;Pirin&#231; ve Genetik &#350;ifresi&lt;/a&gt; (0)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/memeage"&gt;memeage&lt;/a&gt; (21)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/genetik-sifreniz-ilac-kullanimina-uygunmu"&gt;GENET&#304;K &#350;&#304;FREN&#304;Z &#304;LA&#199; KULLANIMINA UYGUNMU??&lt;/a&gt; (0)&lt;/li&gt;&lt;/ul&gt;&lt;/p&gt;&lt;p&gt;bu yaz&#305; &lt;a href="http://www.hafif.org/uye/tachyon"&gt;tachyon&lt;/a&gt; taraf&#305;ndan hafif.org adresli sitede yay&#305;mlanmak &#252;zere yaz&#305;lm&#305;&#351;t&#305;r. kaynak g&#246;sterilmeksizin kopyalanamaz.&lt;/p&gt;&lt;p&gt;etiketler: &lt;a href="http://www.hafif.org/etiket/gen" rel="tag" target="_self"&gt;gen&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/iman" rel="tag" target="_self"&gt;iman&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/ateist" rel="tag" target="_self"&gt;ateist&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/ateizm" rel="tag" target="_self"&gt;ateizm&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/genetik" rel="tag" target="_self"&gt;genetik&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/bilim" rel="tag" target="_self"&gt;bilim&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/bilim%20adam%C4%B1" rel="tag" target="_self"&gt;bilim adam&#305;&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/genom" rel="tag" target="_self"&gt;genom&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/genom%20projesi" rel="tag" target="_self"&gt;genom projesi&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/dr.francis%20collins" rel="tag" target="_self"&gt;dr.francis collins&lt;/a&gt;&lt;/p&gt;</description>
      <pubDate>Tue, 08 Apr 2008 13:21:43 GMT</pubDate>
      <guid isPermaLink="false">93279@http://www.hafif.org/</guid>
      <link>http://www.hafif.org/yazi/bu-da-birilerine-kapak-olsun</link>
      <category>gen</category>
      <category>iman</category>
      <category>ateist</category>
      <category>ateizm</category>
      <category>genetik</category>
      <category>bilim</category>
      <category>bilim adam&#305;</category>
      <category>genom</category>
      <category>genom projesi</category>
      <category>dr.francis collins</category>
    </item>
    <item>
      <title>Genom Projesinde B&#252;y&#252;k Ad&#305;m</title>
      <author>erdenk</author>
      <description>&lt;div class="imajorta"&gt;&lt;img src='http://www.hafif.org/imaj/erdenk/dna.jpeg' alt="\"\"" border="0"&gt;&lt;br&gt;&lt;/div&gt;Yakla&#351;&#305;k 13 sene ve 500 milyon Dolar'a mal olan 35.000 genin tan&#305;mland&#305;&#287;&#305; insan genom projesi i&#231;in yeni bir sistem geli&#351;tirildi.

	&lt;p&gt;Boston College'da g&#246;rev yapan biyolog Gabor Marth ve ekibinin geli&#351;tirdi&#287;i sistem sayesinde yar&#305;m milyon DNA dizisinin analizi yaln&#305;zca 10 dakika al&#305;yor.&lt;/p&gt;


	&lt;p&gt;Yeni teknoloji sayesinde genetik rahats&#305;zl&#305;&#287;&#305; bulunan tekil hastalar&#305;n dahi gen haritas&#305;n&#305;n &#231;&#305;kar&#305;lmas&#305; m&#287;mk&#252;n olacak.&lt;/p&gt;


	&lt;p&gt;&lt;a href="http://www.physorg.com/news125903944.html"&gt;Kaynak &lt;/a&gt;&lt;/p&gt;&lt;p&gt;&lt;strong&gt;ilgili yaz&#305;lar&lt;/strong&gt;&lt;ul&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/dunyanin-en-tuhaf-hayvani-platypusun"&gt;D&#252;nyan&#305;n en tuhaf hayvan&#305; platypusun gen haritas&#305;&lt;/a&gt; (0)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/bu-da-birilerine-kapak-olsun"&gt;Bu da birilerine kapak olsun!&lt;/a&gt; (7)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/en-iyi-dostumuz-kopek-akrabamiz"&gt;en iyi dostumuz kopek, akrabamiz mi?&lt;/a&gt; (4)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/acimasizlik-geni-kesfedildi"&gt;Ac&#305;mas&#305;zl&#305;k geni ke&#351;fedildi&lt;/a&gt; (0)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/anosmi-koku-duyusu-yitimi-2"&gt;Anosmi: Koku Duyusu Yitimi - 2&lt;/a&gt; (13)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/drd4"&gt;DRD4&lt;/a&gt; (1)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/boy-babadan-kilo-anadan"&gt;Boy Babadan, Kilo Anadan...&lt;/a&gt; (0)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/mosquitoes-and-genes"&gt;Mosquitoes and Genes&lt;/a&gt; (2)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/pirinc-ve-genetik-sifresi"&gt;Pirin&#231; ve Genetik &#350;ifresi&lt;/a&gt; (0)&lt;/li&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/memeage"&gt;memeage&lt;/a&gt; (21)&lt;/li&gt;&lt;/ul&gt;&lt;/p&gt;&lt;p&gt;bu yaz&#305; &lt;a href="http://www.hafif.org/uye/erdenk"&gt;erdenk&lt;/a&gt; taraf&#305;ndan hafif.org adresli sitede yay&#305;mlanmak &#252;zere yaz&#305;lm&#305;&#351;t&#305;r. kaynak g&#246;sterilmeksizin kopyalanamaz.&lt;/p&gt;&lt;p&gt;etiketler: &lt;a href="http://www.hafif.org/etiket/genom%20projesi" rel="tag" target="_self"&gt;genom projesi&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/genom" rel="tag" target="_self"&gt;genom&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/gen" rel="tag" target="_self"&gt;gen&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/dna" rel="tag" target="_self"&gt;dna&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/boston%20college" rel="tag" target="_self"&gt;boston college&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/gabor%20marth" rel="tag" target="_self"&gt;gabor marth&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/biyoloji" rel="tag" target="_self"&gt;biyoloji&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/genetik" rel="tag" target="_self"&gt;genetik&lt;/a&gt;&lt;/p&gt;</description>
      <pubDate>Fri, 28 Mar 2008 13:34:58 GMT</pubDate>
      <guid isPermaLink="false">93064@http://www.hafif.org/</guid>
      <link>http://www.hafif.org/yazi/genom-projesinde-buyuk-adim</link>
      <category>genom projesi</category>
      <category>genom</category>
      <category>gen</category>
      <category>dna</category>
      <category>boston college</category>
      <category>gabor marth</category>
      <category>biyoloji</category>
      <category>genetik</category>
    </item>
    <item>
      <title>evrimle&#351;menin kayna&#287;&#305;</title>
      <author>emrouisen</author>
      <description>&lt;p&gt;ara&#351;t&#305;rmac&#305;lar bitki ve hayvanlar &#252;zerinde yapt&#305;&#287;&#305; &#231;al&#305;&#351;malarla &lt;a href="http://tr.wikipedia.org/wiki/Habitat"&gt;habitat&lt;/a&gt;&#305;n d&#305;&#351; g&#246;r&#252;n&#252;&#351;, davran&#305;&#351; ve &#246;zellikle de &lt;a href="http://tr.wiktionary.org/wiki/e&#351;eysel"&gt;e&#351;eysel&lt;/a&gt; tercihler &#252;zerindeki etkilerinin, t&#252;rler &#252;zerinde b&#252;y&#252;k rol oynad&#305;&#287;&#305;n&#305; g&#246;rd&#252;ler. evrim biyologlar&#305; ise birbirinden farkl&#305; &lt;a href="http://tr.wikipedia.org/wiki/Populasyon"&gt;populasyon&lt;/a&gt;lar&#305;n yeniden bir araya gelmesinin &lt;a href="http://tr.wikipedia.org/wiki/Genom"&gt;genom&lt;/a&gt;lar&#305;n birbirlerinden ayr&#305;lmas&#305;n&#305; engellemesi nedeniyle t&#252;rle&#351;meyi geciktirebildi&#287;ini ortaya koydular. bu konuda geli&#351;imsel evrim adl&#305; bir bilim dal&#305;n&#305;n t&#252;r &#231;e&#351;itlili&#287;ini nelerin &#231;e&#351;itlendirdi&#287;ini ve yok olu&#351;lar&#305; anlayabilmeyi ve de bunu yava&#351;latabilmeye y&#246;nelik stratejilerin geli&#351;tirilmesinde katk&#305; sa&#287;layacaklar.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;ilgili yaz&#305;lar&lt;/strong&gt;&lt;ul&gt;&lt;li&gt;&lt;a href="http://www.hafif.org/yazi/anosmi-koku-duyusu-yitimi-2"&gt;Anosmi: Koku Duyusu Yitimi - 2&lt;/a&gt; (13)&lt;/li&gt;&lt;/ul&gt;&lt;/p&gt;&lt;p&gt;bu yaz&#305; &lt;a href="http://www.hafif.org/uye/emrouisen"&gt;emrouisen&lt;/a&gt; taraf&#305;ndan hafif.org adresli sitede yay&#305;mlanmak &#252;zere yaz&#305;lm&#305;&#351;t&#305;r. kaynak g&#246;sterilmeksizin kopyalanamaz.&lt;/p&gt;&lt;p&gt;etiketler: &lt;a href="http://www.hafif.org/etiket/populasyon" rel="tag" target="_self"&gt;populasyon&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/genom" rel="tag" target="_self"&gt;genom&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/habitat" rel="tag" target="_self"&gt;habitat&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/e%C5%9Feysel" rel="tag" target="_self"&gt;e&#351;eysel&lt;/a&gt;, &lt;a href="http://www.hafif.org/etiket/evrim" rel="tag" target="_self"&gt;evrim&lt;/a&gt;&lt;/p&gt;</description>
      <pubDate>Sat, 30 Dec 2006 09:21:31 GMT</pubDate>
      <guid isPermaLink="false">43157@http://www.hafif.org/</guid>
      <link>http://www.hafif.org/yazi/evrimlesmenin-kaynagi</link>
      <category>populasyon</category>
      <category>genom</category>
      <category>habitat</category>
      <category>e&#351;eysel</category>
      <category>evrim</category>
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