There is a boy with blood group ‘B’, his mother has blood group O. Write possible genotypes and phenotypes of his father.

There is a boy with blood group B whose mother has blood group A. Give the possible genotypes and phenotypes of his father.

A child has blood group O. If the father has blood group A and mother has blood group B, work out the genotypes of parent and the possible genotypes of other offspring.

A child has blood group O. If the father has blood group A and mother blood group B, work out the genotypes of the parents and the possible genotypes of the other offsprings.

What are possible genotypes for blood group B.

A man with blood group A married a person with blood group O. their daughter has blood group o. is this information enough to tell you which of the blood group trait a or o is dominant why or why not?

ABO blood group is based on:

Mother and father of a person with O blood group have 'A' and 'B' blood group respectively. What would be the genotype of both mother and father?