encyclopedia of medical concepts
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Nondisjunction, Genetic
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Definition
: The failure of homologous CHROMOSOMES or CHROMATIDS to segregate during MITOSIS or MEIOSIS with the result that one daughter cell has both of a pair of parental chromosomes or chromatids and the other has none.
Examples
Uniparental Disomy
Other names
Nondisjunctions, Genetic; Non-
Disjunctions, Genetic; Non Disjunction, Genetic; Genetic Nondisjunctions; Genetic Non-
Disjunctions; Genetic Non Disjunction; Non-
Disjunction, Genetic; Genetic Nondisjunction; Genetic Non-
Disjunction