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Introduction to Morgan's Experiments

The frequency...

Question

The frequency of recombination between gene pairs on the same chromosome as a measure of the distance between genes was explained by?

A

T.H. Morgan

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B

Gregor J. Mendel

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C

Alfred Sturtevant

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D

Sutton Boveri

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Solution

The correct option is C Alfred Sturtevant
Alfred Sturtevant explained, the frequency of recombination between gene pairs on the same chromosome is a measure of the distance between the genes. The distance between the genes is inversely proportional to the frequency of recombination
So, the correct answer is 'Alfred Sturtevant'

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The frequency of recombination between gene pairs on the same chromosome as a measure of the distance between genes was explained by

Q. Who used in frequency of recombination between gene pairs on the same chromosome as a measure of distance between genes and mapped their position on chromosome.

Q. How many of the following statements are correct?
Statement I: Recombination of genes is directly proportional to the strength of linkage.
Statement II: Recombination of genes is inversely proportional to the strength of linkage.
Statement III: More the distance between the two genes on a chromosome, less the strength of linkage.
Statement IV: More the distance between the two genes on a chromosome, more the strength of linkage.
Statement V: Recombination frequency is inversely proportional to the distance between the genes present on a chromosome.

Q. How many of the following statements are wrong?
Statement I: Strength of linkage is directly proportional to the recombination of genes.
Statement II: Recombination of genes is inversely proportional to the strength of linkage.
Statement III: More the distance between the two genes on a
chromosome, less will be the strength of linkage.
Statement IV: More the distance between the two genes on a
chromosome, more the strength of linkage.
Statement V: Recombination frequency is inversely proportional to the distance between the genes present on a chromosome.

Q. The recombination frequency (expressed as percentage) between X & Y is 4%, X & Z is 16%, Y & Z is 20%. Based on the recombination frequency, arrange the genes on the chromosome.

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