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Gene regulation

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Definition

noun

The modulation of any of the stages of gene expression, hence, it encompasses the various systems that control and determine which genes are switched on and off, and when, how long, and to what extent the genes are expressed.


Supplement

Gene regulation may occur in the following stages of gene expression:

Gene regulation of the lac operon of the prokaryotes was the first genetic regulatory mechanism to be elucidated.


Variant: regulation of gene expression

See also: regulator gene.