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Principles of Inheritance and Variation — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYPrinciples of Inheritance and Variation2 Marks
Question
Who was the first to map chromosomes? What formed the basis for it?
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Answer

Sturtevant was the first to map chromosomes. He used the frequency of recombination between gene pairs on the same chromosome as a measure of the distance between genes.

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