Mendel crossed true-breeding pea plants and found the dominant trait always appeared in the F₁ generation, but it appeared in a ________ ratio of dominant to recessive in the F₂ generation.

Question

Mendel crossed true-breeding pea plants and found the dominant trait always appeared in the F1 generation, but it appeared in a ________ ratio of dominant to recessive in the F2 generation.

Mendel crossed true-breeding pea plants and found the dominant trait always appeared in the F₁ generation, but it appeared in a ________ ratio of dominant to recessive in the F₂ generation.