cistron
Noun
Meaning
(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
Source: WordNetSynonyms
factor
gene
element
component
agent
constituent
ingredient
divisor
broker
heredity
allelic
regulator gene
allelomorphic
genes
operator gene
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Examples
genes were formerly called factors
The cistron DNA is transcribed into the first of a series of RNA intermediates.
The words cistron and gene were coined before the advancing state of biology made it clear that the concepts they refer to are practically equivalent.