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A locus, as related to genomics, is a physical site or location within a genome (such as a gene or another DNA segment of interest), somewhat like a street address. The plural of locus is loci.
In genetics, a locus (pl.: loci) is a specific, fixed position on a chromosome where a particular gene or genetic marker is located. [1] Each chromosome carries many genes, with each gene occupying a different position or locus; in humans, the total number of protein-coding genes in a complete haploid set of 23 chromosomes is estimated at ...
Definition noun, plural: loci (general) A place, space or locality, especially a centre of an activity. (mathematics) The set of all points whose coordinates satisfy a given equation or condition. (genetics) The location of a gene (or of a significant sequence) on a chromosome, as in genetic locus. (medicine) The site on the body where a ...
A dictionary of more than 150 genetics-related terms written for healthcare professionals. This resource was developed to support the comprehensive, evidence-based, peer-reviewed PDQ cancer genetics information summaries.
Locus (plural loci) is a position or place on a chromosome occupied by a particular gene or one of its alleles in all species. A locus can be a coding sequence, a regulatory region, or other regions. Any pair of homologous chromosomes can contain a specific locus.
Definition noun, plural: genetic loci The location of a gene (or of a significant sequence) on a chromosome or on a linkage map. Supplement For example, the locus of the gene OCA1 (or Oculocutaneous Albinism
A locus is a spot or “address” on a chromosome at which a gene for a particular trait is located in all members of a species. It can also refer to the location of a mutation or other genetic marker. A given locus can be found on any pair of homologous chromosomes (Brown, 2009).