We do share DNA.
The Big Bang Theory Season 1, Episode 15
You can't deny your own DNA.
Money Heist Season 3, Episode 4
Yeah, I was studying
recombinant DNA technology...
The Big Bang Theory Season 2, Episode 4
It's my idea of what DNA would look like
in a silicon-based life form.
The Big Bang Theory Season 1, Episode 4
...for fingerprinting and DNA analysis.
The Big Bang Theory Season 4, Episode 7