- a set of two or more adjacent cistrons whose transcription is under the coordinated control of a promoter, an operator, and a regulator gene.
Origin of operon
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- genetics a group of adjacent genes in bacteria functioning as a unit, consisting of structural genes and an operator
C20: from operate
- 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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