A,B,and O Blood Type in Humans Is Controlled by a Single

question 6

Multiple Choice

A,B,and O blood type in humans is controlled by a single gene with three alleles: Iᴬ,Iᴮ,and i.Type O is the recessive trait.The i allele is recessive to both Iᴬ and Iᴮ.Which of the following could be possible genotypes of the parents of a person with type O blood?

• A)Iᴬᴵᴮ and ii
• B)Iᴬᶦ and Iᴬᴵᴬ
• C)Iᴬᶦ and Iᴮᶦ
• D)Iᴬᴵᴮ and Iᴬᴵᴮ

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