When both the parents are of blood group AB, children would be of blood group

Parents with blood group O will have children with blood groups

One parents has blood group A and the other parents has blood group B, the offsprings have which blood group

If one parents has blood group A and the other parents has blood group B, the offsprings have which blood group

A baby of blood group A cannot belong to parents of blood group

Cross between parents of blood group AB and O will result the offspring having blood groups

A child of blood group O cannot have parents of blood groups

A child of blood group O cannot have parents of blood groups