Definition of operon in English:

operon

Syllabification: op·er·on
Pronunciation: /ˈäpəˌrän
 
/

noun

Biology
A unit made up of linked genes that is thought to regulate other genes responsible for protein synthesis.
More example sentences
  • In bacteria, these genes are clustered in operons, while in eukaryotes, they are widely dispersed throughout the genome.
  • Jacob and Monod called these regulated stretches of DNA operons.
  • Horizontal transfer of whole genes and operons between divergent species is a frequent event.

Origin

1960s: from French opérer 'to effect, work' + -on.

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