genetic locus


genetic locus
The position of a gene in a linkage map or on a chromosome.

Dictionary of molecular biology. 2004.

Look at other dictionaries:

  • Genetic diversity — is a level of biodiversity that refers to the total number of genetic characteristics in the genetic makeup of a species. It is distinguished from genetic variability, which describes the tendency of genetic characteristics to vary.The academic… …   Wikipedia

  • Genetic association — is the occurrence, more often than can be readily explained by chance, of two or more traits in a population of individuals, of which at least one trait is known to be genetic. Studies of genetic association aim to test whether single locus… …   Wikipedia

  • Genetic architecture — refers to the underlying genetic basis of a phenotypic trait. A synonymous term is the genotype phenotype map , the way that genotypes map to the phenotypes.The genotype phenotype map has been analyzed in terms of several principle axes:… …   Wikipedia

  • Genetic linkage — is the tendency of certain loci or alleles to be inherited together. Genetic loci that are physically close to one another on the same chromosome tend to stay together during meiosis, and are thus genetically linked. Contents 1 Background 2… …   Wikipedia

  • Genetic marker — A genetic marker is a gene or DNA sequence with a known location on a chromosome that can be used to identify cells, individuals or species. It can be described as a variation (which may arise due to mutation or alteration in the genomic loci)… …   Wikipedia

  • Genetic screen — This article is about a method to identify the functions of genes. For screening or testing for genetic diseases, see genetic testing. A genetic screen (often known as a phenotypic screen, or shortened to screen) is a procedure or test to… …   Wikipedia

  • Locus (genetics) — Short and long arms Chromosome components: (1) Chromatid (2) Centromere (3) Short (p) arm (4) Long (q) arm …   Wikipedia

  • Genetic load — In population genetics, genetic load or genetic burden is a measure of the cost of lost alleles due to selection (selectional load) or mutation (mutational load). It is a value in the range 0 < L < 1, where 0 represents no load. The concept …   Wikipedia

  • Locus — The place, in Latin.. In genetics, a locus is the place a gene occupies on a chromosome. One locus, two loci. * * * 1. A place; usually, a specific site. 2. The position that a gene occupies on a chromosome. 3. The position of a point, as defined …   Medical dictionary

  • Locus coeruleus — Brain: Locus coeruleus Rhomboid fossa. (Locus coeruleus not labeled, but is very near [just lateral to] colliculus facialis, which is labeled at center left.) …   Wikipedia


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