A.75% B.50% C.25% D.0 E.不能確定
A.47,XXX B.46,XY/46,XX C.45,X D.47,XXY E.47,XY,+21
A.螺旋化程度高,無轉(zhuǎn)錄活性的染色質(zhì) B.螺旋化程度低,無轉(zhuǎn)錄活性的染色質(zhì) C.螺旋化程度高,有轉(zhuǎn)錄活性的染色質(zhì) D.螺旋化程度低,有轉(zhuǎn)錄活性的染色質(zhì) E.異固縮的染色質(zhì)