下列关于精子和卵细胞形成过程的叙述中,错误的是:(    ) A.

下列关于精子和卵细胞形成过程的叙述中,错误的是:(    )

A.一个初级精母细胞可形成4个精子,一个初级卵母细胞只形成一个卵细胞

B.精子、卵细胞的形成都要经过变形阶段

C.精子形成过程中细胞质均等分裂,卵细胞形成过程中细胞质分裂不均等

D.精原细胞和卵原细胞是通过有丝分裂形成的

答案

B

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