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In the study of Genetics, a '''locus''' (plural form '''loci''') is a specific region on the [[Chromosome|chromosome]] where a [[Gene|gene]] or [[DNA|DNA]] sequence is located.<ref>Lefers, M. (2004). Locus. Available: http://groups.molbiosci.northwestern.edu/holmgren/Glossary/Definitions/Def-G/gene_locus.html. Last accessed 28th Nov 2014.</ref> The estimated number of [[Haploid|haploid]] protein coding genes in humans is 20,000 to 25,000. Another form of a gene positioned at a given locus is called an [[Allele|allele]]. The organised list of loci recognised for a certain [[Genome|genome]] is known as a genetic map. Gene mapping is used in the determination of a locus which codes for a particular biological characteristic in an organism.<ref>No author. (2014). Locus (Genetics). Available: http://en.m.wikipedia.org/wiki/Locus_(genetics). Last accessed 28th Nov 2014.</ref> | In the study of Genetics, a '''locus''' (plural form '''loci''') is a specific region on the [[Chromosome|chromosome]] where a [[Gene|gene]] or [[DNA|DNA]] sequence is located.<ref>Lefers, M. (2004). Locus. Available: http://groups.molbiosci.northwestern.edu/holmgren/Glossary/Definitions/Def-G/gene_locus.html. Last accessed 28th Nov 2014.</ref> The estimated number of [[Haploid|haploid]] protein coding genes in humans is 20,000 to 25,000. Another form of a gene positioned at a given locus is called an [[Allele|allele]]. The organised list of loci recognised for a certain [[Genome|genome]] is known as a genetic map. Gene mapping is used in the determination of a locus which codes for a particular biological characteristic in an organism.<ref>No author. (2014). Locus (Genetics). Available: http://en.m.wikipedia.org/wiki/Locus_(genetics). Last accessed 28th Nov 2014.</ref><ref>Lefers, M. (2004). Locus. Available: http://groups.molbiosci.northwestern.edu/holmgren/Glossary/Definitions/Def-G/gene_locus.html. Last accessed 28th Nov 2014.</ref><ref>Locus (Genetics). Available: http://en.m.wikipedia.org/wiki/Locus_(genetics). Last accessed 28th Nov 2014.</ref><br> | ||
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Latest revision as of 14:07, 28 November 2014
In the study of Genetics, a locus (plural form loci) is a specific region on the chromosome where a gene or DNA sequence is located.[1] The estimated number of haploid protein coding genes in humans is 20,000 to 25,000. Another form of a gene positioned at a given locus is called an allele. The organised list of loci recognised for a certain genome is known as a genetic map. Gene mapping is used in the determination of a locus which codes for a particular biological characteristic in an organism.[2][3][4]
References
- ↑ Lefers, M. (2004). Locus. Available: http://groups.molbiosci.northwestern.edu/holmgren/Glossary/Definitions/Def-G/gene_locus.html. Last accessed 28th Nov 2014.
- ↑ No author. (2014). Locus (Genetics). Available: http://en.m.wikipedia.org/wiki/Locus_(genetics). Last accessed 28th Nov 2014.
- ↑ Lefers, M. (2004). Locus. Available: http://groups.molbiosci.northwestern.edu/holmgren/Glossary/Definitions/Def-G/gene_locus.html. Last accessed 28th Nov 2014.
- ↑ Locus (Genetics). Available: http://en.m.wikipedia.org/wiki/Locus_(genetics). Last accessed 28th Nov 2014.