Depends: You did not specify the constituent of extra chromosome, autosomal or sex one. If you have Klinfelter syndrome (47XXY), odds to have a normal IQ is high (average IQ: 85-90).
Answered 7/21/2014
3.9k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
7 doctors weighed in across 3 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question