It can happen shortly after fertilization, before cells were differentiated.
homologous recombination where one copy of DNA is replaced by an
所有跟帖:
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同源重组,你再仔细看看和想想,包括这个几率问题
-woth-
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07/13/2010 postreply
11:23:10
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我又不是什么专家,有什么好想的?
-padme-
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07/13/2010 postreply
11:36:35