A woman of blood group A has a child with a man of blood group B. The child's blood is type O. What are the genotypes of the parents

Answer: AO and BO

Explanation:

Using the Mono hybrid cross, the possible genotypes are AB, AO, OB, and 00.

therefore the blood groups of the offspring are A, B, AB, O

Woman's genotype is AO

Man's genotype is BO

Explanation:

For a woman with blood group A and a man with blood group B to give birth to a child with blood group O. Their genotypes will be:

Woman's genotype is AO

Man's genotype is BO

The can have a child with blood group A, B, AB and O

1/4 will have type AB blood group;

1/4 will have AO, which is type A blood group;

1/4 will have BO, which is type B blood group;

1/4 will have OO, which is type O blood group