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Solution


Q.

In peas, a pure tall (TT) is crossed with a pure short plant (tt). The ratio of pure tall plants to pure short plants in F₂ generation is:
1 1:3  
2 3:1  
3 1:1  
4 2:1  

Ans.

(3)

In the F₂ generation, the ratio of pure tall plants to pure short plants will be 1:1. The other two plants that are produced will be tall as well, but will not be pure.