When all is said in done, nondisjunction can happen in any type of cell division that includes requested dissemination of chromosomal material.
There are 3 types of nondisjunction: the disappointment of a couple of homologous chromosomes to isolate in meiosis I, a disappointment of sister chromatids to isolate amid meiosis II, and disappointment of sister chromatids to isolate amid metaphase going into anaphase of mitosis.