Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Results 1 - 6 of 6 for XXYY syndrome
Did you mean xxxy syndrome?
  1. 48,XXYY syndrome is a chromosomal condition that affects male development. There is a lot of variability in symptoms between people with 48,XXYY syndrome. Almost all affected individuals have developmental delays in ...
  2. ... syndrome. These conditions include 48,XXXY syndrome, 48,XXYY syndrome, and 49,XXXXY syndrome. Like Klinefelter syndrome, these ...
  3. ... a variant of another sex chromosome disorder called Klinefelter syndrome. Boys and men with Klinefelter syndrome have one extra copy of the X chromosome, ...
  4. ... a variation of another sex chromosome disorder called Klinefelter syndrome. People with Klinefelter syndrome have one extra copy of the X chromosome, ...
  5. ... boys with 47,XYY syndrome or 47,XXY Klinefelter syndrome. Pediatrics. 2012 Apr;129(4):769-78. doi: ... Disorder in Males with Sex Chromosome Aneuploidy: XXY/Klinefelter Syndrome, XYY, and XXYY. J Dev Behav Pediatr. 2017 ...
  6. ... XXY chromosome pattern also have a condition called Klinefelter syndrome. Agenesis of corpus callosum with chorioretinal abnormality Agenesis ...