In a group of deer mice, 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.

Bernard, a deer mouse from this group, has a hairless body. Bernard has two alleles for a hairless body.
Based on this information, what is Bernard's phenotype for the body hair trait?

Bernard's phenotype for the body hair trait is hairless.