As nouns,
nondisjunction is a hyponym of
meiosis; that is,
nondisjunction is a
word with a more specific, narrower meaning than
meiosis:
- meiosis: (genetics) cell division that produces reproductive cells in sexually reproducing organisms; the nucleus divides into four nuclei each containing half the chromosome number (leading to gametes in animals and spores in plants)
- nondisjunction: meiosis in which there is a failure of paired homologous chromosomes to separate; results in an abnormal number of chromosomes in the daughter cells