
...but it has been pointed out to me
that you carry DNA of great potential.
The Big Bang Theory Season 1, Episode 15

Yeah, I was studying
recombinant DNA technology...
The Big Bang Theory Season 2, Episode 4

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

he now has Leonard Nimoy's DNA.
The Big Bang Theory Season 12, Episode 24