Genotypic ratio in F2 progeny for monohybrid cross will be________
A
3 : 1
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B
1 : 2 : 1
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C
9 : 3 : 3 : 1
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D
1 : 3
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Solution
The correct option is B 1 : 2 : 1 The genotypic ratio of F2 progeny in a monohybrid cross will be 1:2:1. It can be understood through the following cross. Genotypic ratio of F2 progeny, TT : Tt : tt will be 1:2:1