Adihybrid cross involved a parental generation consisting of true-breeding plants with yellow, round seeds and true-breeding plants with green, wrinkled seeds. all the f1 generation consisted of plants with yellow, rounds seeds. if an f1 plant was crossed to a plant with green, wrinkled seeds, what would have been the predicted ratio of f2 seeds in the following phenotypic categories: yellow and round, yellow and wrinkled, green and round, and green and wrinkled?