A member asked:

What to do if i have 47 chromosomes and no mental retardation, what are the odds?

A doctor has provided 1 answer
Dr. Jay Park answered

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

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