Question

Someone who has the blood type AB had parents with _____ genes. incomplete dominant codominant heterozygous homozygous

Answer 1

codominant- both genes show up in the child 

Answer 2

If they have AB blood, then they inherited an A gene from one parent and a B gene from the other. The parents would be homozygous. One would have AA and one would have BB for it to result in AB. So, the answer would be D. Hope this helps!