A plant with two 'small' genes breeds with a plant with two 'tall' genes to prooduce :

(a) small plants and tall plants in the ratio 1 :3 (b) all small plants

(c) all tall plants (d) tall plants and small plants in the ratio 3 : 1

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Solution

(c) all tall plants

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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

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A plant with two 'small' genes breeds with a plant with two 'tall' genes to prooduce : (a) small plants and tall plants in the ratio 1 :3 (b) all small plants (c) all tall plants (d) tall plants and small plants in the ratio 3 : 1

(c) all tall plants

A plant with two 'small' genes breeds with a plant with two 'tall' genes to prooduce :

(a) small plants and tall plants in the ratio 1 :3 (b) all small plants

(c) all tall plants (d) tall plants and small plants in the ratio 3 : 1