USA,
2009, 53 min
(Special Edition: 120 min)
Galerie (12)
Photo © National Geographic Channel
![The Science of Gender Identity - Filmfotos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/159/297/159297956_c3baee.jpg)
Photo © National Geographic Channel
![The Science of Gender Identity - Filmfotos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/159/297/159297957_295902.jpg)
Photo © National Geographic Channel
![The Science of Gender Identity - Filmfotos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/159/297/159297958_433f5a.jpg)
Photo © National Geographic Channel
![The Science of Gender Identity - Filmfotos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/159/297/159297959_2fa57d.jpg)
Photo © National Geographic Channel
![The Science of Gender Identity - Filmfotos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/159/297/159297960_88312a.jpg)
Photo © National Geographic Channel
![The Science of Gender Identity - Filmfotos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/159/297/159297961_037577.jpg)
Photo © National Geographic Channel
![The Science of Gender Identity - Filmfotos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/159/297/159297962_a9fa42.jpg)
Photo © National Geographic Channel
![The Science of Gender Identity - Filmfotos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/159/297/159297963_abb909.jpg)
Photo © National Geographic Channel
![The Science of Gender Identity - Filmfotos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/159/297/159297964_1dde90.jpg)
Photo © National Geographic Channel
![The Science of Gender Identity - Filmfotos](http://image.pmgstatic.com/cache/resized/w663/files/images/film/photos/159/297/159297966_4fd9a2.jpg)