<prompt> Aneuploidy is due to:Non-disjunction at meiosisMosaicismDeletionTranslocation  <response>: A i.e. Non disjunction at meiosis- Aneuploidy is a condition in which a cell contains other than haploid number of chromosomes or an exact multiple of it. It produced by non- disjunction of chromosomes at meiosisQ and is common in cancer cells.Term Ploid is used to refer number of chromosomes in cells. Euploid: Normal resting diploid cell. Tetraploid: Cells just before division. 