Use the following information to answer the questions below.
A woman who has blood type A positive has a daughter who is type O positive and a son who is type B negative. Rh positive is a trait that shows simple dominance over Rh negative and is designated by the alleles R and r, respectively. A third gene for the MN blood group has codominant alleles M and N.
-Which of the following is a possible partial genotype for the son?
A) Iᴮᴵᴮ
B) IᴮᴵA
C) ii
D) Iᴮᶦ
E) Iᴬᴵᴬ

Question

Quizplus · Accepted Answer

We know the son is type B negative, which means he must have the genotype Iᴮᶦ. We don't have any information about the MN blood group, so we can't determine the partial genotype for that gene.

Use the Following Information to Answer the Questions Below