mary has type a blood. her son bill has type ab blood. which blood type does bills dad have if he is…

mary has type a blood. her son bill has type ab blood. which blood type does bills dad have if he is homogenous for blood type?\no a\no b\no ab\no o

mary has type a blood. her son bill has type ab blood. which blood type does bills dad have if he is homogenous for blood type?\no a\no b\no ab\no o

Answer

Brief Explanations:

Blood - type inheritance is determined by alleles. Mary has type A blood (either AA or AO). Bill has type AB blood. Since Bill has a B allele which Mary doesn't have, and the father is homogenous. The father must have two B alleles (BB) to pass on the B allele to Bill.

Answer:

B. B