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Definition of Locus

Locus: The place, in Latin.. In genetics, a locus is the place a gene occupies on a chromosome. One locus, two loci.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=4191
Last Editorial Review: 3/26/1998 2:27:00 PM

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