In peas, a pure tall plant (TT) is crossed with a short plant (tt)

• GB Reproduction Heredity

In peas, a pure tall plant (TT) is crossed with a short plant (tt). The ratio of pure tall plants to short plants in F₂ is

1. 1 : 3
2. 3 : 1
3. 1 : 1
4. 2 : 1

Answer

The monohybrid F₂ generation phenotypic ratio is 3 : 1.

The correct option is B.