No, we're going with middle child
and a GENETIC predisposition...
The Big Bang Theory Season 1, Episode 10
You see,
I'm a superior GENETIC mutation...
The Big Bang Theory Season 1, Episode 15
No. We are committing GENETIC fraud.
The Big Bang Theory Season 1, Episode 1
Besides shortness, what GENETIC
weaknesses run in your family?
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