Medical Term:
cistron
Pronunciation: sis′tron
Definition:
- The smallest functional unit of heritability; a length of chromosomal DNA associated with a single biochemical function. Under classical concepts, a gene might consist of more than one cistron; in modern molecular biology, the cistron is essentially equivalent to the structural gene.
- The genetic unit defined by the cis/trans test.
[cis tr-ans + -on]
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Examples: glitazone, GI cocktail, etc.
