题干

表现型不同的母牛生育出基因型完全相同的小牛。产生这一结果最可能的原因是(     )

A:试管动物培养

B:胚胎移植

C:胚胎分割移植

D:受精卵移植

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答案(点此获取答案解析)

C

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