...to protect the GENETIC integrity
of your sister's future offspring.
The Big Bang Theory Season 1, Episode 15
Swell, well, how do I play
GENETIC predisposition?
The Big Bang Theory Season 1, Episode 10
Besides shortness, what GENETIC
weaknesses run in your family?
The Big Bang Theory Season 2, Episode 2
- So it's probably GENETIC.
- Well, maybe.
The Big Bang Theory Season 4, Episode 23
- How so?
- Everybody knows GENETIC diversity...
The Big Bang Theory Season 1, Episode 15