Mendel performed reciprocal crosses in which he used pollen from a white-flowered plant to fertilize a purple-flowered plant and pollen from a purple-flowered plant to fertilize a white-flowered plant. What did these reciprocal crosses demonstrate?
A. The female gamete made a larger genetic contribution to the offspring than the male gamete.
B. Each parent made an equal genetic contribution to the offspring.
C. Flower color is a sex-linked trait.
D. The traits of flower color and sex assort independently.
E. The male gamete made a larger genetic contribution to the offspring than the female gamete.
Answer: B