MeSH Browser

MeSH Supplementary: 47, XYY syndrome
Unique ID: C535317
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/C535317
Entry Term(s): 47 XYY syndrome; Jacob's syndrome; XYY syndrome; YY syndrome
Registry Numbers: 0
Heading Mapped to: *XYY Karyotype; *Sex Chromosome Disorders
Frequency: 70
Note: An extra copy of the Y chromosome in each of a male's cells that arises through GENETIC NON-DISJUNCTION in the embryo. Affected males may be taller than average, but have no other unique physical features; SEXUAL DEVELOPMENT and FERTILITY are unaffected in most cases. 47,XYY syndrome is associated with an increased risk for LEARNING DISORDERS; DEVELOPMENTAL DISABILITIES; HYPOTONIA, and TICS; these characteristics vary widely among affected boys and men. AUTISM SPECTRUM DISORDERS are diagnosed in a minority of cases.
Date of Entry: 2010/06/25
Revision Date: 2015/08/17

Concept UI: M0529778
Registry Numbers: 0
Terms: 47, XYY syndrome Preferred Term
Term UI T760764
Date11/12/2009
LexicalTag NON
ThesaurusID; 47 XYY syndrome
Term UI T735672
Date02/24/2009
LexicalTag NON
ThesaurusID ORD (2010); YY syndrome
Term UI T735673
Date02/24/2009
LexicalTag NON
ThesaurusID; XYY syndrome
Term UI T735674
Date02/24/2009
LexicalTag NON
ThesaurusID; Jacob's syndrome
Term UI T843885
Date05/09/2013
LexicalTag NON
ThesaurusID GHR (2014)

47, XYY syndrome MeSH Supplementary Concept Data 2025