Question

(Question below)
A. The father has type O blood, and the mother has type B blood.
B. The father has type B blood, and the mother has type A blood.
C. The father has type O blood, and the mother has type A blood.
D. The father has type B blood, and the mother has type AB blood.

Answer 1

So the mother is IAIA and Father is IBI.
Blood type is determined by co-dominant alleles.
In this case, the mother is Blood type A, and father is B.