Cistron 1 topic · 2 sources Science› Biotechnology and GeneticsFood BiotechnologyA DNA sequence that codes for a specific polypeptide; a gene. See DNA, Gene.Susan Allender-Hagedorn and Charles Hagedorn — An Agricultural and Environmental Biotechnology Annotated Dictionary CiteA DNA sequence that codes for a specific polypeptide; a gene.UN Food and Agriculture Organization — Glossary of Biotechnology for Food and Agriculture Cite