ICSE Class X Biology 2023 Solved Papers

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Question : 69
Total: 74
A pure breeding red flower variety of pea plant (RR) is crossed with a pure breeding white flower variety of pea plant (rr).
Draw a Punnett square to find out the Phenotypic and Genotypic ratios of the progeny belonging to the F2 generation.
Solution:  

Phenotypic ratio 3:1
Genotypic ratio 1:2:1
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