defined:

A chromosome map of a species that shows the specific physical locations of its genes and/or markers on each chromosome. Physical maps are particularly important when searching for disease genes by positional cloning strategies and for DNA sequencing.

explained:

Listen to a detailed explanation.

Dr. Eric Green, of the National Human Genome Research Institute's Genome Technology Branch, defines physical map.

related
terms:

bacterial artificial chromosome (BAC), chromosome, deoxyribonucleic acid (DNA), DNA sequencing, gene, genetic marker, Human Genome Project, mapping, positional cloning, yeast artificial chromosome (YAC)

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