![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
21-三体综合征最常见的染色体核型是()
A.47,XX(或XY),+21
B.47,XX(或XY),+21/46,XX(或×Y)
C.46,XX(或XY),-14,+t(14q21q)
D.46,XX(或XY),-22,+t(21q22q)
E.46,XX(或XY),-21,+t(21q21q)
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
A、47,XX(或XY),+21
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.47,XX(或XY),+21
B.47,XX(或XY),+21/46,XX(或×Y)
C.46,XX(或XY),-14,+t(14q21q)
D.46,XX(或XY),-22,+t(21q22q)
E.46,XX(或XY),-21,+t(21q21q)
A、47,XX(或XY),+21
A.47,XX(XY),+21
B.46,XX(XY)
C.46,XX(XY),-14,+t(14q21q)
D.46,XX(XY),-21,+t(21q21q)
E.46,XX(XY),-14,+t(14q14q)
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
A.46,XY(或XX) ,-13,+t( 13q21q)
B.46,XY (或XX) ,-14,+t(14q2lq)
C.46,XY(或XX) ,l5,+t( 15q21q)
D.46,XY(或XX) ,-21,+t(21q22q)
E.46,XY(或XX) , -22,+t(21q21q)