noun. meiosis in which there is a failure of paired homologous chromosomes to separate; results in an abnormal number of chromosomes in the daughter cells.
- disjunction (English)
- non- (English)
- non (Latin)
Example sentences of the word nondisjunction
1. Noun, singular or mass
This leads to one cell containing two copies of the chromosome, while the other cell has none, a process called nondisjunction.