试题与答案

D/G易位型21-三体综合征最常见的核型是() A.46,XY(或XX),-13,+

题型:单项选择题

题目:

D/G易位型21-三体综合征最常见的核型是()

A.46,XY(或XX),-13,+t(13q21q)

B.46,XY(或XX),-14,+t(14q21q)

C.46,XY(或XX),-15,+t(15q21q)

D.46,XY(或XX),-21,+t(21q21q)

E.46.XY(或XX),-22,+t(21q22q)

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B

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