21-三体综合征绝大部分核型是()
A:45,XX(XY),-14,-21,+t(14q21q)
B:45,XX(XY),-14,+t(14q21q)
C:47,XX(XY),+21
D:46,XX(XY),-21,+t21q
E:46,XX(XY),-22,+t(21q22q)
出自:儿科主治医师