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| Nondisjunction, Genetic Genetic Non-Disjunction | Genetic Nondisjunction | Non-Disjunction, Genetic | Genetic Non Disjunction | Genetic Non-Disjunctions | Genetic Nondisjunctions | Non Disjunction, Genetic | Non-Disjunctions, Genetic | Nondisjunctions, Genetic 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. |