• If you are citizen of an European Union member nation, you may not use this service unless you are at least 16 years old.

  • You already know Dokkio is an AI-powered assistant to organize & manage your digital files & messages. Very soon, Dokkio will support Outlook as well as One Drive. Check it out today!


XYY Supermale Syndrome Symptoms 3

Page history last edited by Amanda Jones 14 years, 8 months ago












  • Temper Tantrums
  • Learning Disabilites
  • Agressive Behaviors
  • Problems determining between 'right' and wrong.
  • Cognition differences between someone with one and two Y Chromosomes.




Although people with XYY have several traits that men with only one Y Chromosome do not have, people live normally, and sometimes without knowing about their condition. This link is to a website belonging to someone who actually has two Y Chromosomes, and he is a fully functioning adult. XYY Guy




  1. "XYY Syndrome." Healthline. Detroit, MI: Gale, 2005. Web. .

Comments (1)

Sara Adams said

at 6:27 pm on Nov 3, 2009

i like that you gave an example of someone with the disease who lives normally.

You don't have permission to comment on this page.