Sex chromosome anomalies
# Sex chromosome anomalies

Sex chromosome anomalies belong to a group of genetic conditions that are caused or affected by the loss, damage or addition of one or both sex chromosomes (also called gonosomes).

In humans this may refer to:

* 45, X, also known as Turner syndrome
* 45,X/46,XY mosaicism
* 46, XX/XY
* 47, XXX, also known as Triple X syndrome and trisomy X
* 47, XXY, also known as Klinefelter syndrome
* 47, XYY, has normal phenotype
* 48, XXXX
* 48, XXXY
* 48, XXYY
* 49, XXXXY
* 49, XXXXX
* XX gonadal dysgenesis
* XY gonadal dysgenesis
* XX male syndrome
