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What Is Genetic Recombination

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Question

What will be the distance between the two genes if their recombination frequency is 15%?

A

10 centimorgan

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B

15 centimorgan

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C

20 centimorgan

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D

40 map unit

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Solution

The correct option is B 15 centimorgan
Gene mapping is the process of locating and relatively mapping genes on the chromosomes. Recombination between linked genes can be used to map their distance apart on the chromosome. Centimorgan (cM)/ Map unit is the unit used to express the physical distance between the genes. 1 cM or map unit is defined as a recombinant frequency of 1 percent.

Therefore, 15cM will be the distance between the genes.

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Similar questions

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. 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.

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What Is Genetic Recombination

Standard XII Biology

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