In peas, a pure tall plant (TT) is cross...

In peas, a pure tall plant (TT) is crossed with a short plant(tt). The ratio of pure tall plants to short plants in `F_(2)` is

`1 :3`

`3 : 1`

`1 : 1`

`2 : 1`

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In Mendel's monohybrid cross between tall and short pea plants, all offsprings were tall. What does this tell us about the trait? What is the ratio of tall and short plants in the F_(2) generation?

In one of his experiments with pea plants Mendel observed that when a pure tall pea plant is crossed with a pure dwarf pea plant, in the first generation, F_(1) only tall plants appeared. (i) What happens to the traits of the dwarf plants in this case? (ii) When the F_(1) generation plants were self-fertilised, he observed that in the plants of second generation, F_(2) both tall plants and dwarf plants were present. Why it happened? Explain briefly.

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