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06-11-2015, 11:56 PM
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Egg or sperm? Scientists identify a gene that makes the call
Egg or sperm? Scientists identify a gene that makes the call
WASHINGTON (Reuters) - Providing insight into the sometimes mysterious biology of reproduction, researchers in Japan have identified a gene that controls whether the reproductive precursor cells k**wn as germ cells eventually become sperm or eggs.  ??????? ??????: Egg or sperm? Scientists identify a gene that makes the call || ??????: ahlam1399 || ??????: اسم منتداك
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العرض الشجري