D009630Level 5

Nondisjunction, Genetic

**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.

**Tree numbers:** - C23.550.210.645 - G05.113.220.625.620 - G05.558.620

**Synonyms:** - Genetic Non-Disjunction - Non-Disjunction, Genetic - Genetic Nondisjunction

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D024182Uniparental Disomy

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