题目内容
(请给出正确答案)
[单选题]
先天性睪丸发育不全综合征最常见核型为:()。
A.47,XXY
B.46,XY/47,XXY
C.45,X/47,XXY
D.XXYY,XXXY
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A.47,XXY
B.46,XY/47,XXY
C.45,X/47,XXY
D.XXYY,XXXY
A.46,XX(XY),-14,+t(14q21q)
B.46,XX(XY),-21+t (21q21q)
C.47,XX(XY),+21
D.46,XX(XY)/47,XX(XY)+21