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近亲婚配的主要危害是()。

单选题
2021-09-01 20:26
A、易引起染色体畸变;
B、自发流产率增高;
C、群体隐性致病基因频率增高;
D、后代X连锁遗传病发病风险增高;
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正确答案
C

试题解析

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