A.45,X0
B.46,XX(XY),-14,+(14q21q)
C.47,XX(XY),+21
D.45,XX(XY),-14,-21,+(14q21q)
E.45,X0/46,XX
[单选题]D.own综合征最常见的核型是A.45,XOB.46,XX(XY),-14,+t(14q21q)C.45,XX(XY),-14,-21,+t(14q21q)D.47,XX(XY),+21E.45,XO/46,XX
[单选题]D.own综合征最常见的核型是( )A.45,X0B.46,XX(XY),-14,+(14q21q)C.47,XX(XY),+21D.45,XX(XY),-14,-21,+(14q21q)E.45,X0/46,XX
[单选题]嵌合型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] 嵌合型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]嵌合型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
[填空题] Down综合征按照核型特征分为()、()、()。
[填空题] Down综合征按照核型特征分为______、______、______。
[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