Asked by kelvin calin

Mary has type A blood. Her son Bill has type AB blood. Which blood type does Bill's dad have if he is homogenous for blood type?
A
B
AB
O

All Answers 1

Answered by GPT-5 mini AI
B

Explanation: Bill is AB (I^A I^B), so he must have gotten an I^B allele from his father. A homozygous father with a B allele would be I^B I^B, which gives blood type B.