Use the Following Information to Answer the Questions Below

question 27

Multiple Choice

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 phenotype for the father?

• A) A negative
• B) O negative
• C) B positive
• D) AB negative
• E) impossible to determine