By Hidaya Aliouche, B.Sc .Reviewed by Dr. Jennifer Logan, MD, MPH Superman syndrome, also known as 47, XYY, is a condition classified as a chromosomal aneuploidy (which is an abnormality in chromosome structure and/or number) in which males have an additional Y chromosome. The normal male sex chromosomes are XY; in the case of Superman syndrome,...
Tag: <span>Superman Syndrome</span>
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What is Superman Syndrome?
By Hidaya Aliouche, B.Sc.Reviewed by Dr. Jennifer Logan, MD, MPH Superman syndrome, also known as 47, XYY, is a condition classified as a chromosomal aneuploidy (which is an abnormality in chromosome structure and/or number) in which males have an additional Y chromosome. Image Credit: Rost9 / Shutterstock.com The normal male sex chromosomes are XY; in the case...