maybe YY 鱼 is embryonic lethal, won't even survive at all

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送交者: yell 于 2008-04-30, 16:08:19:

回答: YY鱼的性别 由 yell 于 2008-04-30, 15:48:38:

assuming that *normally*:
雄鱼 is XY
雌鱼 is XX


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