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

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

...to protect the GENETIC integrity
of your sister's future offspring.
The Big Bang Theory Season 1, Episode 15

Don't forget GENETIC predisposition
towards addiction.
The Big Bang Theory Season 1, Episode 10