Context: In a group of scarlet rosemallow plants, some individuals have red flowers and others have white flowers. In this group, the gene for the flower color trait has two alleles. The allele F is for red flowers, and the allele f is for white flowers.
A certain scarlet rosemallow plant from this group has white flowers. This plant has two alleles for white flowers.
Based on this information, what is this scarlet rosemallow plant's genotype for the flower color gene?
A. white flowers
B. ff
Identify the correct option from the choices provided and respond with the letter of the correct option.

B