問題詳情
14.tIn cats, black fur color is caused by an X-linked allele； the other allele at this locus causes orange color. The heterozygote is tortoiseshell. What kinds of offspring would you expect from the cross of an orange female and a black male?
(A)ttortoiseshell females； tortoiseshell males
(B)t tortoiseshell females； orange males
(C)torange females； orange males
(D)tblack females； orange males
參考答案
答案：B
統計：A:0,B:1,C:0,D:0,E:0
難度：計算中