mutagenesis

https://doi.org/10.1351/goldbook.M04072
The introduction of permanant heritable changes i.e. mutations into the DNA of an organism.
Source:
PAC, 1992, 64, 143. 'Glossary for chemists of terms used in biotechnology (IUPAC Recommendations 1992)' on page 161 (https://doi.org/10.1351/pac199264010143)