《英文msh词典》Uniparental Disomies
[入口词] Uniparental Disomies
[主题词] Uniparental Disomy
[英文释义] The presence in a cell of two paired chromosomes from the same parent,with no chromosome of that pair from the other parent. This chromosome composition stems from non-disjunction (NONDISJUNCTION,GENETIC) events during MEIOSIS. The disomy may be composed of both homologous chromosomes from one parent (heterodisomy) or a duplicate of one chromosome (isodisomy).