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ICSE Class X Biology 2023 Papers

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Question : 69 of 74
Marks: +1, -0
A pure breeding red flower variety of pea plant (RR)(R R) 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 F2F_2 generation.
Solution:  
Phenotypic ratio 3:13: 1
Genotypic ratio 1:2:11: 2: 1
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