We could look at your genes, I suppose. [ Nudging the mug closer to him and leaning back in his own chair. He tries to broadcast comfort in his body language instead of through his mind. He's not about to toy with Ned's feelings. ]

Mutation generally comes from a difference in your DNA. It's not something to be frightened of. Brunettes have mutated genes. Your eyes are the colour they are because of a gene. It could be that you are just like I am. I'm aware of the differences in the worlds though. Even if it doesn't explain itself through your genes I have no reason to think you shouldn't be allowed to claim the word for yourself.