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Definition of Enhancer (genetics)

Enhancer (genetics) Definition from Encyclopedia Dictionaries & Glossaries
Wikipedia English - The Free Encyclopedia
In genetics, an enhancer is a short region of DNA that can be bound with proteins (namely, the trans-acting factors, much like a set of  transcription factors) to enhance transcription levels of genes (hence the name) in a gene cluster. While enhancers are usually cis-acting, an enhancer does not need to be particularly close to the genes it acts on, and sometimes need not be located on the same chromosome.

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