151k views
3 votes
2 parents both have the blood group A their child has blood group O. what is the best explanation for this pattern of inheritence

1 Answer

4 votes
If both parents have blood type A, then they both either have AA or AO. Because their child has type O blood (OO), then it is safe to assume that both parents have type AO blood.
User Ovidiu Latcu
by
6.1k points