基因是通过亲子间的“小桥”传递的。“小桥”指的是:() A. 精

基因是通过亲子间的“小桥”传递的。“小桥”指的是:()

A. 精子   B. 卵细胞    C. 精子和卵细胞     D. 受精卵

答案

C

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