
No, we're going with middle child
and a GENETIC predisposition...
The Big Bang Theory Season 1, Episode 10

No. We are committing GENETIC fraud.
The Big Bang Theory Season 1, Episode 1

Uh, GENETIC weaknesses, right.
Um, there's the lactose intolerance.
The Big Bang Theory Season 2, Episode 2

Well, there is a GENETIC component,
but that doesn't guarantee anything.
The Big Bang Theory Season 10, Episode 8

Is this just a GENETIC thing
with you? Is it congenital?
Breaking Bad Season 2, Episode 9