...for fingerprinting and DNA analysis.
The Big Bang Theory Season 4, Episode 7
It's my idea of what DNA would look like
in a silicon-based life form.
The Big Bang Theory Season 1, Episode 4
...or fling her waste at Priya
is hardwired into her DNA.
The Big Bang Theory Season 4, Episode 19
Oh, sure, '’cause
Sheldon'’s DNA plus my DNA
The Big Bang Theory Season 12, Episode 3
What kind of DNA
is this, anyway?
The Big Bang Theory Season 12, Episode 23