Pure tall plants are crossed with pure dwarf plants. In the ${{\rm{F}}_1}$-generation, all plants were tall. These tall plants of ${{\rm{F}}_1}$-generation were selfed and the ratio of tall to dwarf plants obtained was 3: 1. This is called

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NEET UG BIOLOGY MCQ: PRINCIPLE OF INHERITANCE AND VARIATION

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Pure tall plants are crossed with pure dwarf plants. In the

{\mathrm{F}_1}

-generation, all plants were tall. These tall plants of

{\mathrm{F}_1}

-generation were selfed and the ratio of tall to dwarf plants obtained was 3: 1. This is called

View answer and explanation

Correct option: A

Dominance

The correct answer is A (Dominance) because the observation that all F1 plants were tall and the F2 generation had a 3:1 ratio of tall to dwarf plants demonstrates the principle of dominance, where the tall allele masks the dwarf allele.

NEET UG BIOLOGY MCQ: PRINCIPLE OF INHERITANCE AND VARIATION

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