recombination map

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• Recombination hotspot — Recombination hotspots are small regions in the genome of sexually reproducing organisms that exhibit highly elevated rates of meiotic recombination. The peak recombination rate within hotspots can be hundreds or thousands times that of the… …   Wikipedia

• map unit — n a unit representing a recombination frequency of one percent between genes and used as a measure of distance between genes in the construction of genetic maps * * * centimorgan …   Medical dictionary

• recombination — /ree kom beuh nay sheuhn/, Genetics. the formation of new combinations of genes, either naturally, by crossing over or independent assortment, or in the laboratory by direct manipulation of genetic material. [1820 30, for general sense; 1900 05… …   Universalium

• map distance — The standard measure of genetic distance between loci, expressed in centiMorgans (cM) or map units. Estimated from recombination fraction via a mapping function. For small recombination fractions, map distance in cM equals the recombination… …   Glossary of Biotechnology

• recombination fraction — The proportion of recombinant (with respect to two loci) gametes arising from meiosis. Linkage maps are based on estimates of recombination fraction between all pair wise combinations of loci. See: map distance Synonyms: recombination frequency,… …   Glossary of Biotechnology

• map — A representation of a region or structure; E.G., of a stretch of DNA. choroplethic m. a method of mapping to display quantitative information such as death rates in defined jurisdictions (states, counties, etc.) by color coding or shading. [G.… …   Medical dictionary

• map — 1. verb: to determine the relative positions of loci (genes or DNA sequences) on a chromosome. Linkage maps are obtained from the frequency of recombination between loci. Physical maps are obtained commonly by the use of in situ hybridization of… …   Glossary of Biotechnology

• Edge recombination operator — General DescriptionThe edge recombination operator (ERO) is an operator that creates a path that is similar to a set of existing paths (parents) by looking at the edges rather than the vertices. The main application of this is for crossover in… …   Wikipedia

• Physical map — A map of the locations of identifiable landmarks on chromosomes. Physical distance is measured in base pairs. The physical map differs from the genetic map which is based purely on genetic linkage data. In the human genome, the lowest resolution… …   Medical dictionary

• genetic map — n MAP * * * linkage map a gene map giving the positions of known genes and markers relative to each other, based on recombination frequencies, rather than as specific physical points; the unit of measurement is the centimorgan. Cf. physical m …   Medical dictionary

• genetic map — A chromosome map; relative distance between genes on a chromosome measured by crossing over and recombinations; may be recombination of genes (chromosome map) or within genes (gene map) …   Dictionary of invertebrate zoology