A mother with blood type A has a child with blood type A. Give all possible blood types for the father of this child.
A) O
B) B, AB
C) A, AB
D) A, B, O
E) A, B, AB, O

Question

Quizplus · Accepted Answer

The child has blood type A, which means they could have inherited an A allele from the mother and either an A or O allele from the father. Therefore, the father could have blood type A, B, AB, or O.

A Mother with Blood Type a Has a Child with Blood