Context: In a group of cows, some individuals have a black coat and others have a red coat. In this group, the gene for the coat color trait has two alleles. The allele L is for a black coat, and the allele l is for a red coat.
Echo, a cow from this group, has a black coat. Echo has two alleles for a black coat.
Based on this information, what is Echo's phenotype for the coat color trait?
A. LL
B. a black coat
Choose the right answer from the options and respond with its letter.

B