Context: In a group of cockatiels, some individuals have bright orange cheeks and others have pale orange cheeks. In this group, the gene for the cheek color trait has two alleles. The allele R is for bright orange cheeks, and the allele r is for pale orange cheeks.
Phoenix, a cockatiel from this group, has bright orange cheeks. Phoenix has two alleles for bright orange cheeks.
Based on this information, what is Phoenix's phenotype for the cheek color trait?
A. bright orange cheeks
B. RR
Select the correct answer from the given choices and respond with the letter of the chosen option.

A