题干

下列不属于基因重组的是(    )

A:四分体中同源染色体上等位基因随非姐妹染色单体的交叉互换而互换

B:非同源染色体上非等位基因的重组

C:精子和卵细胞随机结合

D:将胰岛素基因导入大肠杆菌

上一题 下一题 0.0难度 选择题 更新时间:2018-04-07 06:30:13

答案(点此获取答案解析)

C

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