copy number

the number of times a given gene or chromosome is physically represented in the genome. 2. the average number of times a specific plasmid occurs in a bacterial cell.

Medical dictionary. 2011.

Look at other dictionaries:

  • copy number — noun a) The number of copies of a gene or plasmid within a cells genome. Reconstruction or titration experiments consisting of amounts of the linear cloned cDNA equivalent to various gene copy numbers in the genomic DNA are run on the same gel.… …   Wiktionary

  • copy number — The number of molecules of a particular type on or in a cell or part of a cell. Usually applied to specific genes, or to plasmids within a bacterium …   Dictionary of molecular biology

  • copy number — The number of a particular plasmid per bacterium cell, or gene per genome …   Glossary of Biotechnology

  • copy number — noun : a numeral placed on a book to distinguish it from other copies of the same title …   Useful english dictionary

  • Copy number variation — is a form of structural variation in the genome and refers to differences in the number of copies of a particular region in the genome. Humans (being diploid) ordinarily have two copies of each autosomal region, one per chromosome. This may vary… …   Wikipedia

  • Copy number analysis — usually refers to the process of analyzing data produced by a test for DNA copy number variation in patient s sample. Such analysis helps detect chromosomal copy number variation that may cause or may increase risks of various critical… …   Wikipedia

  • Copy Number Variation — La variabilité du nombre de copies d un gène (ou CNV pour Copy Number Variation, en anglais) désigne en génétique une forme particulière de polymorphisme dans lequel le nombre de copies d un même gène dans le génome est variable entre les… …   Wikipédia en Français

  • Copy-number variation — This gene duplication has created a copy number variation. The chromosome now has two copies of this section of DNA, rather than one. Copy number variations (CNVs) a form of structural variation are alterations of the DNA of a genome that results …   Wikipedia

  • copy number variation — noun The variation of the number of copies (normally two) of a gene, or of sequences of DNA, in the genome of a specific individual; has been linked to some diseases See Also: copy number polymorphism …   Wiktionary

  • copy number polymorphism — noun The normal variation in the number of copies (normally two) of a gene, or of sequences of DNA, in the genome of a specific individual See Also: copy number variation …   Wiktionary

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