Chimerism exists in humans as well, and likely gynandromorphism as well. I don't think this bilateral version has ever been seen, but more subtle forms may be m

Chimerism exists in humans as well, and likely gynandromorphism as well. I don't think this bilateral version has ever been seen, but more subtle forms may be more common than assumed - it can only really be discovered through genetic testing of different parts of the body.