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

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Solution

(c) 1 : 1
The ratio of pure tall plants to pure short plants in F₂ generation will be 1:1. The other two plants produced will also be tall, but they will not be pure.

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(b) 3 : 1
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Question 22
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

(a) 1 : 3
(b) 3 : 1
(c) 1 : 1
(d) 2 : 1

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F_{1}

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

(c) 1 : 1 The ratio of pure tall plants to pure short plants in F2 generation will be 1:1. The other two plants produced will also be tall, but they will not be pure.

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

(c) 1 : 1
The ratio of pure tall plants to pure short plants in F₂ generation will be 1:1. The other two plants produced will also be tall, but they will not be pure.