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XYY Supermale Syndrome Prevalence 3

Page history last edited by Amanda Jones 14 years, 5 months ago

 

Prevalence of Two Y Chromosomes Among Men

 

Studies from 2005 found that one out of every 1,000 men born have an extra Y Chromosome.

 

Some XYY men have no real symptoms or prominent signs that would be signs of XYY. [1]

 

http://www.pathguy.com/xyy.htm

 

SUSPS US Birth Rates & Fertility Rates

 

MAIN XYY PAGE

 

 

Footnotes

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

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