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Q.
The frequency of recombination between gene pairs
on the same chromosome as a measure of the distance
between genes was explained by
Principles of Inheritance and Variation
Solution:
Alfred Sturtevant was the first to explain the
concept of chromosomal mapping. It is constructed on
the basis of recombination frequency between gene
pairs on the same chromosome. This frequency is
directly proportional to the distance between these two
genes.
It can be used to determine the exact location of a gene
on the chromosome.