If a child belonged to blood type O, he or she could NOT have been produced by which set of parents?
A)type A mother and type B father
B)type A mother and type O father
C)type AB mother and type O father
D)type O mother and type O father
E)type O mother and type B father

Question

Quizplus · Accepted Answer

A child with blood type O can only receive an O allele from both parents. However, a type AB mother can only pass on an A or B allele, while a type O father can only pass on an O. Therefore, it is impossible for a child with blood type O to have a type AB mother and a type O father.

If a Child Belonged to Blood Type O, He or She