A Woman Sees 100 Times More Colors Than the Average Person (2014)

FYI I read about this woman many years ago and I and many others are convinced that she is a fraud.

> These are connected to the X chromosome—most men have only one, but most women have two.

They linked to Klinefelter syndrome for the men with XXY chromosomes, I'm curious what's sort of syndrome or disorder leads to women only having one x chromosome?