Question

what are all the possible blood types that could be present in the offspring of parents where one parent is blood type a and one parent is blood type b?

Answer 1

One parent with A and another with B can produce a child with A, B, AB or O blood types. If one parent has A and another has AB, they can either produce a child with A, B or AB blood types. If one parent has A and another has O, they can either produce a child with A or O blood types.