A baby is born with blood type AB.The father is type A,and the mother is type B.The father asks why the baby has a blood type different from those of his parents.The nurse's answer should be based on the knowledge that

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Quizplus · Accepted Answer

Both A and B blood types are dominant, which means that if an individual inherits both A and B alleles, their phenotype will be AB blood type. In this specific case, the baby inherited one A allele from the father and one B allele from the mother, resulting in type AB blood. It is not a mutation or a matter of recessiveness.

A Baby Is Born with Blood Type AB