問題詳情

8. The Y substance is needed for the proper phenotypic expression of the A, B, and AB blood types in theABO blood typing system in humans. Individuals who are recessive for the Y substance (yy) will have atype O phenotype, even if they have the A and/or B alleles. Two individuals, each with type AB blood andheterozygous at the H locus have children. What is the probability they will have a child who isphenotypically type O?
(A)1/8.
(B) 3/8.
(C) 3/16.
(D)4/16.
(E)6/16.

參考答案

答案：D
難度：計算中-1
書單：沒有書單，新增

用户評論

【艾爾】評論

Yy x Yy 有1/4 機率產生yy