...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
Well, no one's going to run
a DNA test on it, Leonard.
The Big Bang Theory Season 4, Episode 6
to mix my DNA with that
of a killer gorilla?
The Big Bang Theory Season 7, Episode 23
Yeah, I was studying
recombinant DNA technology...
The Big Bang Theory Season 2, Episode 4