4. different genes interacted to produce the parental phenotype. The F1 offspring of Mendel's clic pea cr?

On the first generation (F1) offspring Mendel mixes a plant with dominent traits and one with recessive traits (RR x rr) which then will create offsprings with 100% Heterogeneous traits (Rr). This in turn will make them look like only the dominant parental phenotype. (answer is a)