Context: In a group of cats, some individuals have a hairy body and others have a hairless body. In this group, the gene for the body hair trait has two alleles. The allele B is for a hairy body, and the allele b is for a hairless body.
Slim, a cat from this group, has a hairless body. Slim has two alleles for a hairless body.
Based on this information, what is Slim's phenotype for the body hair trait?
A. a hairless body
B. bb
From the given choices, choose the correct answer and respond with the letter of that choice.

A