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Concept information

Preferred term

Uniparental Disomy  

Type

  • mesh:Descriptor

Definition

  • 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). The presence in a cell of a chromosome pair that is composed of duplicates of one parental chromosome. The presence in a cell of a chromosome pair that is composed of both homologous chromosomes from one parent.

Broader concept

Entry terms

  • Disomy, Uniparental

In other languages

URI

http://data.loterre.fr/ark:/67375/JVR-K2BBR83D-C

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RDF/XML TURTLE JSON-LD Created 7/25/01, last modified 7/6/09