Question

What blood types are possible in the children of parents with type AB and O blood?A) A, B, AB, and OB) A, B, and ABC) A, B, and OD) A and B

Answer 1

A person with a blood type AB has the alleles A and B, and a person with blood type O has two ii alleles.

Blood type - alleles

AB - AB

O - ii

The Punnett square for this couple would be as follows:

This means the couple can only have children with blood type A or B, which means D is the right answer.