Question

A mother has type A blood and a father has type B blood. If their baby has type O blood, what is the genotype of the parents?

Answer 1

Answer:She cheated

Explanation:A and B type blood do not mix to make O type blood

Answer 2

Each biological parent donates one of their two ABO alleles to their child. A mother who is blood type O can only pass an O allele to her son or daughter. A father who is blood type AB could pass either an A or a B allele to his son or daughter.