where the killer ape DNA
is slowly taking over my body.
The Big Bang Theory Season 7, Episode 21
Well, no one's going to run
a DNA test on it, Leonard.
The Big Bang Theory Season 4, Episode 6
with your
DNA in it.
The Big Bang Theory Season 7, Episode 7
...for fingerprinting and DNA analysis.
The Big Bang Theory Season 4, Episode 7
...but it has been pointed out to me
that you carry DNA of great potential.
The Big Bang Theory Season 1, Episode 15