Question

If the blood group of father is A and the blood group of mother is O , what will be the blood group of their daughter? Explain how you arrived to your answer.

Answer 1

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