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
your GENETIC material
for his baby?
The Big Bang Theory Season 12, Episode 12
...our GENETIC material
has the potential of producing the first...
The Big Bang Theory Season 4, Episode 1
Don't forget GENETIC predisposition
towards addiction.
The Big Bang Theory Season 1, Episode 10