Context: In a group of koi fish, some individuals have red eyes and others have black eyes. In this group, the gene for the eye color trait has two alleles. The allele for red eyes (E) is dominant over the allele for black eyes (e).
Flounder is a koi fish from this group. Flounder has the homozygous genotype ee for the eye color gene.
Based on this information, what is Flounder's phenotype for the eye color trait?
A. red eyes
B. black eyes
From the given choices, pick the correct answer and respond by indicating the letter of the correct option.

B