Splice and The_Fly are both about DNA & RNA of various species being integrated into another.
https://en.wikipedia.org/wiki/Splice_(film)#Plot In the movie Splice, its the experimental_manipulation_of_splicing RNA to create a human-animal hybrid.
https://en.wikipedia.org/wiki/The_Fly_(1986_film)#Plot Both movie versions of The_Fly involve teleportation and the accidental mixing of fly DNA with a humans.
