The two first human beings knew good and evil, it relates, in terms of what things were forbidden and what were not. (religion-online.org)
Most chimps that use jabbing weapons to hunt prey are female, a pattern of behaviour that may also have been true of the first humans (newscientist.com)
Gregory of Nyssa posited a double creation, first the human being as the image of God, and then the male - female dyad as a concession to the problems of impending sin. (firstthings.com)