A genetic map is one that:
Establishes sites of the genes on a chromosome
Establishes the various stages in gene evolution
Shows the stages during the cell division
Shows the distribution of various species in a region
, Alfred Sturtevant used the frequency of recombination between gene pairs on the same chromosome as a measure of the distance between genes and 'mapped' their position on the chromosome. Thus, a genetic map establishes the sites (positions) of genes on a chromosome .
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