Context: In a group of tomato plants, some individuals have red fruit and others have yellow fruit. In this group, the gene for the fruit color trait has two alleles. The allele F is for red fruit, and the allele f is for yellow fruit.
A certain tomato plant from this group has yellow fruit. This plant has two alleles for yellow fruit.
Based on this information, what is this tomato plant's genotype for the fruit color gene?
A. ff
B. yellow fruit
From the given choices, choose the correct answer and respond with the letter of that choice.

A