摘要: 将基因型Aabb的玉米花粉.授粉到基因型为aaBb的雌蕊柱头上.可以得到什么样的胚乳基因 型 ( ) A.AaaBBb.Aaabbb.aaaBBb.aaabbb B.AaaBb.Aaabb.aaBBb.abbb C.AaBBb.Aaabb.aaaBB.aaabb D.AAaBbb.AAabbb.aaaBbb.aaabbb

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