Uniparental disomy 


Uniparental disomy search for term

This rare genetic condition can arise constitutionally through non-disjunction during meiosis that ultimately leads to a duplication of a segment or of the entire maternal or paternal chromosome in the affected individual. A form of apparent uniparental disomy can arise in the course of normal cell division (mitosis) through mitotic recombination (a rare crossover event during mitosis). (Fan 2006)