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高龄孕妇必须进行产前诊断的原因是()。
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高龄孕妇必须进行产前诊断的原因是()。
A、卵细胞老化;
B、染色体易发生分离;
C、染色体易丢失;
D、易发生染色体不分离;
时间:2021-09-01 20:26
关键词:
联大
新乡医学院
医学遗传学
答案解析
D
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高龄孕妇必须进行产前诊断的原因是()。
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