Context: In a group of Bengal tigers, some individuals have orange fur and others have white fur. In this group, the gene for the fur color trait has two alleles. The allele F is for orange fur, and the allele f is for white fur.
Mau, a Bengal tiger from this group, has white fur. Mau has two alleles for white fur.
Based on this information, what is Mau's genotype for the fur color gene?
A. ff
B. white fur
Answer with the option's letter from the given choices directly.

A