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.
(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
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