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, also known as X0/XY mosaicism and mixed gonadal dysgenesis
- 46, XX/XY
- 47, XXX, also known as Triple X syndrome and trisomy X
- 47, XXY, also known as Klinefelter syndrome
- 47, XYY, also known as Jacobs syndrome
- 48, XXXX, also known as tetrasomy X
- 48, XXXY
- 48, XXYY
- 48, XYYY
- 49, XXXXY
- 49, XYYYY
- 49, XXXXX, also known as pentasomy X
- XX gonadal dysgenesis
- XY gonadal dysgenesis, also known as Swyer syndrome
- XX male syndrome, also known as de la Chapelle syndrome