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 red flowers. This plant has two alleles for red flowers.
Based on this information, what is this scarlet rosemallow plant's genotype for the flower color gene?
A. red flowers
B. FF
Identify the correct choice from the options below and respond with the letter of the correct option.

B