Advertisement at what age do a T's sex organs become identifiable? i have a friend who has access to a 400X microscope at work (works in a lab for Boeing).....at what size could a T's sex be determined with something like that? could i possibly I.D. the slings i got from holley in a moult or two or do they have to be a couple of inches first before I.D. is possible?? just curious....:?