下列关于21-三体综合征的描述，错误的是 -题库考试答案搜索网

下列关于21-三体综合征的描述，错误的是

单选题

2021-07-17 21:52

A、不属于常染色体畸变
B、小儿染色体病中最常见的一种
C、母亲年龄越大，本病的发病率越高
D、80%的患儿在胎儿早期即夭折流产
E、活婴中发生率约1/(600-800）

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正确答案

A

试题解析

标签：医药卫生类中级儿科学（中级）儿科学（中级）模拟卷一

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