gene dosage

the number of copies of a specific gene in a genome.

Medical dictionary. 2011.

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  • Gene dosage — is the number of copies of a gene present in a cell or nucleus. An increase in gene dosage can cause higher levels of gene product if the gene is not subject to regulation from elsewhere in the body …   Wikipedia

  • gene dosage — gene dosage. См. доза гена. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • gene dosage — geno dozė statusas T sritis augalininkystė apibrėžtis Geno alelių skaičius individo genotipe. atitikmenys: angl. gene dosage rus. доза гена …   Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas

  • gene dosage — Number of copies of a particular gene locus in the genome; in most cases either one or two …   Dictionary of molecular biology

  • gene dosage —    Gives the number of copies of a particular gene in the genome …   Forensic science glossary

  • Gene — For a non technical introduction to the topic, see Introduction to genetics. For other uses, see Gene (disambiguation). This stylistic diagram shows a gene in relation to the double helix structure of DNA and to a chromosome (right). The… …   Wikipedia

  • Gene duplication — Schematic of a region of a chromosome before and after a duplication event Gene duplication (or chromosomal duplication or gene amplification) is any duplication of a region of DNA that contains a gene; it may occur as an error in homologous… …   Wikipedia

  • Dosage compensation — Dosage compensation, also known as Ohno s Hypothesis, is a hypothetical genetic regulatory mechanism which operates to equalize the phenotypic expression of characteristics determined by genes on the X chromosome so that they are equally… …   Wikipedia

  • dosage compensation — n the genetic mechanism by which the same effect on the phenotype is produced by a pair of identical sex linked genes in the sex (as the human female) having the two sex chromosomes of the same type as by a single gene in the sex (as the human… …   Medical dictionary

  • dosage compensation — A regulatory mechanism for sex linked genes, to allow equivalent levels of gene expression from (in mammals) XY or XX genotypes, even though the gene copy number in XX is double that in XY. See: sex linkage, Barr body …   Glossary of Biotechnology

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