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  4. A plant of F1 generation has genotype AABbCC. On selfing of this plant, the phenotypic ratio in F 2 generation will be

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Q. A plant of $F_{1}$ generation has genotype "AABbCC". On selfing of this plant, the phenotypic ratio in $F _{2}$ generation will be

Rajasthan PMTRajasthan PMT 2007

Solution:

Since AABbCC contains only one heterozygous allelic pair Bb, the cross would behave as monohybrid cross-leading to 3 : 1 phenotypic ratio in $ {{F}_{2}} $ .
Phenotypic ratio is 3 : 1

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