Two pea plants that are true-breeding for recessive white flowers are mated and their offspring analyzed. Which of the following statements about this situation is true?

A. The offspring represent the P generation.
B. The gametes produced by the offspring will carry only one allele for this gene.
C. Both parents are referred to as heterozygotes.
D. Half of the offspring will be true-breeding for white flowers.

B. The gametes produced by the offspring will carry only one allele for this gene.