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Uniparental Disomy MeSH Descriptor Data 2022


MeSH Heading
Uniparental Disomy
Tree Number(s)
C23.550.210.645.890
G05.365.590.175.935
Unique ID
D024182
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D024182
Scope Note
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).
Entry Term(s)
Disomy, Uniparental
Uniparental Heterodisomy
Uniparental Isodisomy
Previous Indexing
Aneuploidy (1980-2001)
Chromosome Aberrations (1989-2001)
Chromosome Abnormalities (1980-2001)
Public MeSH Note
2002
History Note
2002
Date Established
2002/01/01
Date of Entry
2001/07/25
Revision Date
2009/07/06
Uniparental Disomy Preferred
Uniparental Isodisomy Narrower
Uniparental Heterodisomy Narrower
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