Context: In a group of sheep, some individuals have white wool and others have black wool. In this group, the gene for the wool color trait has two alleles. The allele L is for white wool, and the allele l is for black wool.
Bingo, a sheep from this group, has black wool. Bingo has two alleles for black wool.
Based on this information, what is Bingo's phenotype for the wool color trait?
A. black wool
B. ll
From the given choices, select the correct answer and reply with the letter of the chosen option.
Answer: A