試題詳解

15. In one of Mendel's experiments, he crossed pea plants that were true-breeding for violet flower color with plants true-breeding for white flower color. What was the phenotype ratio of flower color in the F2 generation?
(A) 100% violet
(B) 100% white
(C) 75% violet and 25% white
(D) 50% violet and 50% white
(E) 25% violet and 75% white