Context: In a group of Syrian hamsters, some individuals have straight fur and others have wavy fur. In this group, the gene for the fur texture trait has two alleles. The allele F is for straight fur, and the allele f is for wavy fur.
Arietta, a Syrian hamster from this group, has straight fur. Arietta has one allele for straight fur and one allele for wavy fur.
Based on this information, what is Arietta's genotype for the fur texture gene?
A. Ff
B. straight fur
Pick the correct answer from the listed options and provide the letter of the selected option.

A