Context: In a group of cows, some individuals have solid coloring and others have white spots. In this group, the gene for the coat pattern trait has two alleles. The allele for solid coloring (A) is dominant over the allele for white spots (a).
Zelda is a cow from this group. Zelda has the homozygous genotype aa for the coat pattern gene.
Based on this information, what is Zelda's phenotype for the coat pattern trait?
A. solid coloring
B. white spots
From the given choices, choose the correct answer and respond with the letter of that choice.
Answer: B