Mutagenesis screening in which a large number of mutations are introduced in a target area of the genome with the aim of identifying all the genes or their functions that are associated with that area.
Source:
PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 802 (https://doi.org/10.1515/pac-2015-1202)