Name: Anonymous 2007-05-25 22:54 ID:QGs6KQgu
Cause humans originated from Africa. Then some got mutations and changed their skins to white, yellow, red, etc.
http://en.wikipedia.org/wiki/Human_skin_color#Origins_of_light_skin_in_humans
http://en.wikipedia.org/wiki/Human_skin_color#Origins_of_light_skin_in_humans