![- So it's probably genetic.
- Well, maybe.
- So it's probably genetic.
- Well, maybe.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
- So it's probably GENETIC.
- Well, maybe.
The Big Bang Theory Season 4, Episode 23
![...to protect the genetic integrity
of your sister's future offspring.
...to protect the genetic integrity
of your sister's future offspring.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
...to protect the GENETIC integrity
of your sister's future offspring.
The Big Bang Theory Season 1, Episode 15
![No. We are committing genetic fraud.
No. We are committing genetic fraud.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
No. We are committing GENETIC fraud.
The Big Bang Theory Season 1, Episode 1
![You see,
I'm a superior genetic mutation...
You see,
I'm a superior genetic mutation...](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
You see,
I'm a superior GENETIC mutation...
The Big Bang Theory Season 1, Episode 15
![your genetic material
for his baby?
your genetic material
for his baby?](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
your GENETIC material
for his baby?
The Big Bang Theory Season 12, Episode 12