...for fingerprinting and DNA analysis.
The Big Bang Theory Season 4, Episode 7
I possess the DNA of Leonard Nimoy?
The Big Bang Theory Season 2, Episode 11
Oh, sure, '’cause
Sheldon'’s DNA plus my DNA
The Big Bang Theory Season 12, Episode 3
but my DNA gets mixed
with the ape's DNA
The Big Bang Theory Season 7, Episode 17
Oh, sure, '’cause
Sheldon'’s DNA plus my DNA
The Big Bang Theory Season 12, Episode 3