cistron

1 definition found

cistron - WordNet (r) 2.1 (2005) :

  cistron
      n 1: (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; "genes were
           formerly called factors" [syn: gene, cistron, factor]