Two truebreeding pea plants were crossed One parent is round

Two true-breeding pea plants were crossed. One parent is round, terminal, violet, constricted, while the other expresses the respective contrasting phenotypes of wrinkled, axial, white, full. The four pairs of contrasting traits are controlled by four genes, each located on a separate chromosome. In the F1 generation, only round, axial, violet, and full phenotypes were expressed after mating the parents. In the F2 generation, all possible combinations of these traits were expressed in ratios consistent with Mendelian inheritance. Identify the four dominant traits, and enter them in ALPHABETICAL order in the blanks provided._________._________._________._________.

Solution

The four dominant traits are axial, full, round and full.These phenotype most frequent in F2 generation. If F1 plant is testcrossed 16 different phenotypes are produced. Round trait was dominant over the wrinkled trait. Dominant trait will be expressed in all generations.