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• In biology, a locus describes the position of a gene (or other significant sequence) on a chromosome. A locus can be occupied by any of the alleles of the gene. Diploid or polyploid cells are either homozygous (have the same allele at a locus) or heterozygous (have different alleles at a locus).
• In mathematics, a locus is the set of points satisfying a particular condition. It is mostly used when the set of points forms a curve of some sort (see locus (mathematics)).
• In the classics, literature or theology, locus (or locus classicus) marks the first appearance of a phrase or the definitive passage that is authoritative for an idea.
• Locus is also the title of a magazineThis article is about the magazine as a published medium. For other meanings, see magazine (disambiguation A magazine is a periodical publication containing a variety of articles on various subjects. some magazines Magazines are typically published weekly carrying newsNews is the reporting of current events usually by local, regional or mass media in the form of newspapers, television and radio programs, or sites on the World Wide Web. News reporting is a type of journalism, typically written or broadcast in news style about science fictionScience fiction generally speaking, is a form of speculative fiction which deals principally with the impact of imagined science and/or technology upon society or individuals. There are, perhaps, exceptions to (or at least, some very unusual examples of).