U.S. doctors online nowAsk doctors free
A 40-year-old member asked:

What is xyy syndrome or disease?

1 doctor answer5 doctors weighed in
Dr. Ed Friedlander
Pathology 44 years experience
Extra Y chromosome: About one man in 1000 has an extra Y chromosome and it's likely to be discovered only if there's some investigation because of some problem such as autism. This has given rise to the myth that autism, criminal behavior and so forth are more common in such men. They average taller and tend to get worse acne. The "criminal" claims haven't held up to real science.

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Educational text
Free
Talk to a doctor
24/7 visits - just $39!
50% off with $15/month membership

Related questions

A 25-year-old member asked:
3 doctor answers6 doctors weighed in
A 33-year-old member asked:
2 doctor answers2 doctors weighed in
A 30-year-old member asked:
1 doctor answer4 doctors weighed in
A 42-year-old member asked:
1 doctor answer1 doctor weighed in
A 52-year-old female asked:
1 doctor answer1 doctor weighed in

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Educational text
Free
Talk to a doctor
24/7 visits - just $39!
50% off with $15/month membership
Last updated Jul 15, 2017

People also asked

Connect with a U.S. board-certified doctor by text or video anytime, anywhere.
24/7 visits - just $39!
50% off with $15/month membership

Disclaimer:

Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.