Slowing or stopping of normal migration of chromosomes during anaphase, resulting in chromosomes being excluded from one of the daughter cells causing aneuploidy.
Source:
PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 721 (https://doi.org/10.1515/pac-2015-1202)