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NEET UG BIOLOGY MCQ: PRINCIPLE OF INHERITANCE AND VARIATION

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A pure tall and a pure dwarf plant were crossed to produced offsprings. Offsprings were self crossed, then find out the ratio between true breeding tall to true breeding dwarf?

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Correct option: A

1\mathrm{ }:\mathrm{ }1

Option A (

1\mathrm{ }:\mathrm{ }1

) is correct because after selfing the F1 generation (Tt), the F2 generation will have a 1:2:1 genotypic ratio (TT:Tt:tt), resulting in a 1:1 ratio of true-breeding tall (TT) to true-breeding dwarf (tt).

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