Context: In a group of dachshund dogs, some individuals have rough fur and others have soft fur. In this group, the gene for the fur texture trait has two alleles. The allele F is for rough fur, and the allele f is for soft fur.
Chase, a dachshund dog from this group, has soft fur. Chase has two alleles for soft fur.
Based on this information, what is Chase's genotype for the fur texture gene?
A. soft fur
B. ff
Identify the correct option from the choices provided and respond with the letter of the correct option.

B