XYY syndrome
| Subclass of | sex chromosome disorder, Y chromosome number anomaly  |
|---|---|
| Health specialty | medical genetics |
| NCI Thesaurus ID | C85237 |
XYY syndrome, dem sanso know as Jacobs syndrome den Superman syndrome, be an aneuploid genetic condition insyd wich a male get an extra Y chromosome.[1] Der be usually few symptoms.[2] Dese fi include be taller dan average den an increased risk of learning disabilities.[1][2] De person be generally otherwise normal, wey dey include typical rates of fertility.[1]
Dem generally no dey inherit de condition buh rather dey occur as a result of a random event during sperm development.[1] Diagnosis be by a chromosomal analysis, buh na dem no diagnose chaw of those affected within dema lifetime.[2] Der be 47 chromosomes, instead of de usual 46, dey give a 47,XYY karyotype.[1]
Treatment fi include speech therapy anaa extra help plus schoolwork, den outcomes be generally positive.[2] De condition dey occur insyd about 1 insyd 1,000 male births.[1] Chaw people plus de condition be unaware say dem get am.[3] Na dem first describe de condition insyd 1961.[4]
References
[edit | edit source]- 1 2 3 4 5 6 "47,XYY syndrome". Genetics Home Reference (in English). January 2009. Retrieved 2017-03-19.
- 1 2 3 4 "XYY Syndrome". NORD (National Organization for Rare Disorders). 2012. Retrieved 11 November 2017.
- ↑ "47, XYY syndrome". Genetic and Rare Diseases Information Center (GARD) (in English). 2017. Archived from the original on 11 November 2017. Retrieved 11 November 2017.
- ↑ Bostwick, David G.; Cheng, Liang (2014). Urologic Surgical Pathology E-Book (in English). Elsevier Health Sciences. p. 682. ISBN 978-0-323-08619-6.
External links
[edit | edit source]
- Nielsen, Johannes (1998). XYY males. An orientation.
| Authority control databases: National |
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