What is the genotype ratio in the F2 generation when tall (Tt) plants are self-pollinated?

Subject: General Science

Topic: Heredity

Options:

1. Option A: 1:2:1 (TT:Tt:tt)
2. Option B: 3:1 (Tall:Short)
3. Option C: 1:1 (TT:tt)
4. Option D: All Tt

Correct Answer:

Option A: 1:2:1 (TT:Tt:tt)

Explanation:

When F1 tall plants (Tt) are self-pollinated, the F2 generation shows a genotype ratio of 1:2:1 (TT:Tt:tt). The phenotype ratio is 3:1 (tall:short).