"Ah, I see. Yes, the matter of the marks." He says it with distaste and decides to leave it at that. There is nothing he can currently do to change the situation. Calling further attention to it would risk embarrassing the man or being quite discourteous.

"Oh, genetics. Very technical. Surprising how far it has come in such a relatively short amount of time." He thinks. It's nothing he has ever paid attention to, save for the rare BBC documentary on late nights as background noise for something or other. He hopes he'd heard that correctly, that it was a field with rapid advancements.

"Were you affiliated with a laboratory?"