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, and14 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