but my DNA gets mixed
with the ape's DNA
The Big Bang Theory Season 7, Episode 17
Who's to say
that I don't share that flawed DNA?
The Big Bang Theory Season 4, Episode 2
I have a sister with the same basic DNA mix
who hostesses at Fuddruckers.
The Big Bang Theory Season 1, Episode 1
Clearly, the combination of our DNA
is exceptional.
The Big Bang Theory Season 10, Episode 8
to perpetuate my DNA.
The Big Bang Theory Season 10, Episode 5