A.X染色體上基因的遺傳 B.Y染色體上基因的遺傳 C.Z染色體上基因的遺傳 D.從性遺傳
A.3/4 B.2/3 C.1/2 D.1/4
A.A1A1a2a2 B.a1a1A2A2 C.A1a1A2a2 D.A1A1A2a2