47,XYY syndrome

Karyotype of 47,XYY syndrome

47,XYY' syndrome is caused by the presence of two or more Y chromosomes in the karyotype, most often directly by the 47,XYY karyotype. These are gonosomal numerical aberration. Previously, this syndrome was referred to as "Supermale" - a term that is no longer used today. The syndrome has a minimum of clinical symptoms, men may have a taller stature and mild psychosocial disorders (most often learning disabilities). The results of older studies linking this syndrome to aggressiveness and criminal behavior have not been confirmed .

ICD-10 classification

47,XYY syndrome according to ICD-10: Q90-Q99

Links

Related Articles

• Chromosomal Abnormalities
• Numerical chromosomal abnormalities
• Syndromes caused by gonosome aneuploidy
  • Turner Syndrome
  • Klinefelter syndrome
  • Syndrome 47,XXX

External links

• for parents.pdf The XYY Condition
• 47,XYY syndrome – Genetics Home Reference