Superman Syndrome: Rare but Real
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Superman syndrome, also called XYY syndrome or Jacob’s syndrome, is a rare genetic disorder that occurs when a male has an extra Y chromosome in each of his cells, resulting in the XYY combination. This genetic variation was first brought to light in 1961 by Dr Patricia Jacobs and her research team. The discovery emerged during a chromosomal study at a Scottish hospital that specialises in caring for individuals with developmental disabilities. Amid their analysis, the researchers identified a m...
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