Question

A man has blood type AB and his wife has blood type B. What are the possible blood types for their child? blood types A and B blood type AB blood types A, B, and AB

Answer 1

The easiest way to solve this would be a punnet square.

The man has AB Blood
The woman has BO Blood.

The baby has 50% Chance of having type BO Blood
25% Chance of having AB Blood and
25% Chance of having AO blood.

So the child can have type B, AB, or A Blood!

Hope this helps!