It's my idea of what DNA would look like
in a silicon-based life form.
The Big Bang Theory Season 1, Episode 4
...but it has been pointed out to me
that you carry DNA of great potential.
The Big Bang Theory Season 1, Episode 15
but my DNA gets mixed
with the ape's DNA
The Big Bang Theory Season 7, Episode 17
where the killer ape DNA
is slowly taking over my body.
The Big Bang Theory Season 7, Episode 21
Yeah, I was studying
recombinant DNA technology...
The Big Bang Theory Season 2, Episode 4