No one needs to look for his Adam's apple, no one needs to test his DNA, no one needs to do anything but just look at him. No amount of make up will ever make him look like a woman. He can have all his male parts cut off and take all types of estrogen shots. Nothing is going to help. All you have to do is just look at him and you know right away that he is a dude. And an ugly dude at that.
It is seriously time for him to put on him man clothes, stop playing pretend and GROW UP.