A linkage map illustrates the exact physical locations of genes on a chromosome.

Name: A linkage map illustrates the exact physical locations of genes on a chromosome.
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A linkage map is a diagram showing the relative distances between genes on a chromosome, based on the frequency of crossing-over between them. It does not show the exact physical locations of the genes on the chromosome. A physical map, on the other hand, does show the precise locations of genes and other features on a chromosome.

A Linkage Map Illustrates the Exact Physical Locations of Genes