8-16 cell stage
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送交者: BIGBEN 于 2009-07-27, 15:17:14:
回答: 你说的和我的理解没什么很大不同。我在前面帖子里倒是不应用“克隆”字眼。当然 由 xinlihuaxys 于 2009-07-27, 14:56:19:
Actually no injection is needed. This is done by aggregation. Aggregation can also be used to generate chimeric mice with diploid embryos.
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