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

I read an article about scientists
who inserted DNA from luminous jellyfish...
The Big Bang Theory Season 1, Episode 4

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

Oh, sure, '’cause
Sheldon'’s DNA plus my DNA
The Big Bang Theory Season 12, Episode 3

...for fingerprinting and DNA analysis.
The Big Bang Theory Season 4, Episode 7