
I have a sister with the same basic DNA mix
who hostesses at Fuddruckers.
The Big Bang Theory Season 1, Episode 1

You can't deny your own DNA.
Money Heist Season 3, Episode 4

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

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

We do share DNA.
The Big Bang Theory Season 1, Episode 15