In Mendel's second set of experiments, approximately 75% of the offspring presented the dominant form of each trait. Which of the following statements summarizes his second set of experiments?
A. Mendel crossed pure-breeding plants with different forms of each trait.
B. Mendel crossed non-pure plants with pure-breeding plants with the same form of each trait.
C. Mendel crossed non-pure plants with the same form of each trait.
D. Mendel crossed pure-breeding plants with the same form of each trait.
