A Male Mouse of Genotype A/a

Multiple Choice

A male mouse of genotype A/a ^. B/b is testcrossed multiple times.Overall,these testcrosses produce 11 mice of phenotype A B,81 A b,77 a B,and 14 a b.Based on these data,the genotypes of the male mouse's parents are most likely:

A) A/a;B/b and A/a;B/b.
B) AB/AB and ab/ab.
C) AB/ab and AB/ab.
D) Ab/Ab and aB/aB.
E) Ab/ab and Ab/ab.