Mutagen 19 : An agent that causes sudden and permanent changes in one or more hereditary features, generally by modifying one or more genes (changes to genetic material). The changes may or may not be passed on to offspring
Industrial Accident Prevention Association (IAPA), Centre for Health & Safety Innovation, Glossary of Occupational Health & Safety Terms, Ontario, Canada 2007. http://www.iapa.ca/pdf/iapa_glossary.pdf, (Occupn Hlth and Sfty - Canad) {93}