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
Besides shortness, what GENETIC
weaknesses run in your family?
The Big Bang Theory Season 2, Episode 2
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