Well, there is a GENETIC component,
but that doesn't guarantee anything.
The Big Bang Theory Season 10, Episode 8
No, we're going with middle child
and a GENETIC predisposition...
The Big Bang Theory Season 1, Episode 10
Is this just a GENETIC thing
with you? Is it congenital?
Breaking Bad Season 2, Episode 9
Now that Leonard's made me aware
of how high the GENETIC stakes are...
The Big Bang Theory Season 1, Episode 15
...our GENETIC material
has the potential of producing the first...
The Big Bang Theory Season 4, Episode 1