Children in a family have blood type O, A, AB and B respectively. What are the genotypes of their parents.

Three children in a family have blood types O,AB and B respectively. What are the genotypes of their parents?

Three children of a family have blood groups A, AB and B. What could be the genotypes of their parents?

Four children pf a couple have blood groups A, B AB and O. What could bethe Genotype of the parents?

Children have A and B type of blood. What are the blood types of parents

Children have A and B type of blood. What are the blood types of parents

Children have A and B type of blood. What are the blood types of parents

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?