
...that's trying to transgenically manipulate
chicken DNA...
The Big Bang Theory Season 8, Episode 4

We do share DNA.
The Big Bang Theory Season 1, Episode 15

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

but my DNA gets mixed
with the ape's DNA
The Big Bang Theory Season 7, Episode 17

You can't deny your own DNA.
Money Heist Season 3, Episode 4