Stargate: Atlantis2004

Major John Sheppard:
So some people have the same genes as these Ancients.

Dr. Carson Beckett:
The specific gene is very rare. But on the whole they look very much like we do. In fact, they were first. We're the second evolution of this form. The Ancients having explored this galaxy for millions of years before - [Sheppard sits in the chair] Major, please don't.

Major John Sheppard:
Come on. What are the odds of me having the same genes as these guys? [Chair powers up]

Dr. Carson Beckett:
Quite slim, actually. Dr. Weir!