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1. 已知A-a為完全顯性遺傳,B-b為半顯性遺傳,且A、B不位在同一對染色體上,親代為AaBb自交,可產生子代基因型有幾種?外表型有幾種? (A)9,4 (B)9,6 (C)6,4 (D)4,4。
問題詳情
1. 已知A-a為完全顯性遺傳,B-b為半顯性遺傳,且A、B不位在同一對染色體上,親代為AaBb自交,可產生子代基因型有幾種?外表型有幾種?
(A)9,4
(B)9,6
(C)6,4
(D)4,4。
參考答案
答案:B[無官方正解]
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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5.(10pts) What are three-centered bonds?
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