n. Sometimes used interchangeably with the word gene, a cistron is the unit of hereditary material (e.g. DNA) that encodes one protein.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. (genetics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons; it is considered a unit of heredity
Word Usage
"They explicitely explain that streptomycin resistance is the result of the organisms singular rRNA cistron, which renders them with one reversible mutation from almost completely resistant/non-resistant."