exon

abbreviation: DNA
https://doi.org/10.1351/goldbook.E02268
A section of DNA which carries the coding sequence for a protein or part of it. Exons are separated by intervening, non-coding sequences (cf. intron). In eukaryotes most genes consist of a number of exons.
Source:
PAC, 1992, 64, 143. (Glossary for chemists of terms used in biotechnology (IUPAC Recommendations 1992)) on page 153 [Terms] [Paper]