nondisjunction
/ˌnɑndɪsˈdʒʌŋkʃən/
noun
- The failure of chromosomes to separate properly during cell division, leading to an abnormal number of chromosomes in the daughter cells.
- The biology teacher explained how nondisjunction results in cells with too many or too few chromosomes.
- Scientists study nondisjunction to understand how chromosomal abnormalities develop.
- Nondisjunction during meiosis can cause genetic disorders like Down syndrome.