[op-uh-ron] /ˈɒp əˌrɒn/

noun, Genetics.
a set of two or more adjacent cistrons whose transcription is under the coordinated control of a promoter, an operator, and a regulator gene.
(genetics) a group of adjacent genes in bacteria functioning as a unit, consisting of structural genes and an operator

operon op·er·on (ŏp’ə-rŏn’)
A unit of gene activity consisting of a sequence of genetic material that functions in a coordinated manner to control the production of mRNA and that consists of an operator gene, a promoter, and two or more structural genes.
A sequence of genetic material that functions in a coordinated manner, consisting of an operator, a promoter, and one or more structural genes that are transcribed together. Operons were first found in prokaryotes.


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