operon: Meaning and Definition of

op•er•on

Pronunciation: (op'u-ron"), [key]
— n. Genetics.
  1. a set of two or more adjacent cistrons whose transcription is under the coordinated control of a promoter, an operator, and a regulator gene.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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