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Traits of The Pea Plant

Snap dragon p...

Question

Snap dragon plant with genptype $R r G g$ is self pollinated than what would be the phenotopic ratio.

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Solution

Red flowered snapdragon ×white flowered snapdragon
RR × rr
R × r
Rr
(Pink)
Rr × Rr (selfing)
RR Rr Rr rr
(Red) (Pink) (white)
Phenotypic ratio-1:2:1
Genotypic ratio1:2:1
It deviates from Mendel law of dominance. It shows blending and hence incomplete dominance. So,the genotypic and phenotypic ratios are same.

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