Mark the incorrect option w.r.t., a monohybrid cross between true-breeding red-flowered (RR) and white flowered plant (rr) in dog flower Antirrhinum majus.

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Red flowers were not produced in the F₂ generation.

Test cross did not produce red flowered plants.

F₁ phenotype was in between the two parents.

The genotypic and phenotypic ratio in F₂ were same.

answer is B.

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Detailed Solution

Antirrhinum majus shows incomplete dominance for flower colour inheritance In this monohybrid cross, the phenotypic ratio and genotypic ratio is same at F₂. The F₂ generation had red, pink and white flower in the ratio of 1 (red):2(pink):1(white).

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