You see,
I'm a superior GENETIC mutation...
The Big Bang Theory Season 1, Episode 15
No, we're going with middle child
and a GENETIC predisposition...
The Big Bang Theory Season 1, Episode 10
Uh, GENETIC weaknesses, right.
Um, there's the lactose intolerance.
The Big Bang Theory Season 2, Episode 2
- So it's probably GENETIC.
- Well, maybe.
The Big Bang Theory Season 4, Episode 23
your GENETIC material
for his baby?
The Big Bang Theory Season 12, Episode 12