Turner Syndrome is a genetic variation of type 46,X0.
Subjects of Turner Syndrome are frequently subject to various gender identity issues. In addition they are frequently shorter than average during childhood and puberty and may suffer from various developmental and learning issues as well as various congenital cardiac conditions.
Those afflicted with Turner's Syndrome present anatomically as female.
This condition is well-documented on the web, and a web search is suggested for those wanting more detail on this subject.