Context: In a group of cats, some individuals have straight fur and others have curly fur. In this group, the gene for the fur type trait has two alleles. The allele for curly fur (f) is recessive to the allele for straight fur (F).
Buttons is a cat from this group. Buttons has the homozygous genotype ff for the fur type gene.
Based on this information, what is Buttons's phenotype for the fur type trait?
A. curly fur
B. straight fur
Select the correct answer from the given choices and respond with the letter of the chosen option.

A