Context: In a group of chickens, some individuals have white legs and others have yellow legs. In this group, the gene for the leg color trait has two alleles. The allele L is for white legs, and the allele l is for yellow legs.
Jack, a chicken from this group, has yellow legs. Jack has two alleles for yellow legs.
Based on this information, what is Jack's genotype for the leg color gene?
A. ll
B. yellow legs
Choose the right answer from the options and respond with its letter.

A