A .46,XX(XY),-14,+t(14q21q)
B .46,XX(XY),-21,+t(21q21q)
C .46,XX(XY),+21
D .45,XO
E .46,XX(XY)/47,XX(XY)+21
[单选题]标准型Down综合征A.46,XX(XY),-14,+T(14Q21Q)B.46,XX(XY),-21,+T(21Q21Q)C.46,XX(XY),+21D.45.XOE.46,XX(XY)/47,XX(XY)+21
[单选题]标准型Down综合征的核型是A.核型46,XX(XY),-14,+t(14q21q)B.核型46,XX(XY),-21,+t(21q21q)C.核型45,XD.核型46,XX(XY),+21E.核型46,XX(XY)/47,XX(XY),+21
[单选题,B1型题] 标准型Down综合征的核型是()A . 核型46,XX(XY),-14,+t(14q21q)B . 核型46,XX(XY),-21,+t(21q21q)C . 核型45,XOD . 核型46,XX(XY),+21E . 核型46,XX(XY)/47,XX(XY),+21
[单选题]标准型Down综合征的核型是()A.核型46,XX(XY),-14,+t(14q21q)B.核型46,XX(XY),-21,+t(21q21q)C.核
[单选题]根据核型的不同可把Down氏综合征分为下列哪种?( )A.标准型B.罗伯逊易位型C.镶嵌体型D.插入型E.缺失型
[单选题]唐氏综合征标准型核型为A.46,XY,-14+t(14q21q)B.46,XX,-21,+t(21q21q)C.46,XY,-21,+t(14q21q)D.47,XY,+21E.46,XX/47,XY,+21
[单选题]21-三体综合征标准型核型A.47,XY,+21B.46,XY(XX)/47,XY(XX),+21C.46,XY(XX),-14,+t(14q21q)D.46,XY(XX),-21,+t(21q21q)E.46,XY,+21
[单选题]唐氏综合征标准型核型为( )。A.46,XY,-14,+t(14q21q)B.46,XX,-21,+t(21q21q)C.46,XY,-21,+t(
[单选题]嵌合型Down综合征A.染色体核型为:46,XX(或XY)/47XX(或XY),+21B.染色体核型为:45,X/46,XXC.染色体核型为:45,XD.染色体核型为:48,XXXYE.染色体核型为:46,Xdel(Xp)
[单选题]嵌合型Down综合征A.46,XX(XY),-14,+T(14Q21Q)B.46,XX(XY),-21,+T(21Q21Q)C.46,XX(XY),+21D.45.XOE.46,XX(XY)/47,XX(XY)+21