Factual error: There is no possible method of "fusing" the genetic material of a common housefly (Musca domestica) and a human. The housefly has twelve chromosomes, humans forty six. There is no way to combine the two in order to produce a viable organism. Thirty four of the human chromosomes would have no matching chromosome to "fuse" with, meaning the physical characteristics coded by those genes would not form. The Brundlefly would be missing three quarters of his human body.
The Fly (1986)
Plot summary
Directed by: David Cronenberg
Starring: Jeff Goldblum, Geena Davis, John Getz, Joy Boushel
Dr. Brundle (Jeff Goldblum) invents a teleporting machine, then tries it on himself. Unfortunately a fly enters the transportation chamber with him and in the process their genes got mixed.
Brundle's body and mind start to change -- he is a lot more powerful than before, he can think better and faster, but then he begins to transform into something he later name 'Brundlefly' -- he loses nails, then teeth,
His girlfriend (Geena Davies) is pregnant but she doesn't know whether it's a Brundle or a Brundlefly baby, so she wants an abortion. The Brundlefly kidnaps her right from the operation table.
Suggested correction: There's no possible way of teleporting physical objects either, but it happens in this movie. This is science fiction. These kinds of "factual errors" are not valid.
The film presents no scientific explanation for "teleportation" but does for "genetic merging." Teleportation is possible in this film's universe, but "genetic merging" is impossible in any universe.
Genetic merging is possible in this film's universe; that's the whole point. It doesn't matter if the explanation doesn't stack up, it still works.
Seth Brundle: I think you're making a mistake. I think you really want to talk to me.
Ronnie: Sorry, I have three other interviews to do before this party's over.
Seth Brundle: Yeah, but they're not working on something that'll change the world as we know it.
Ronnie: They say they are.
Seth Brundle: Yeah, but they're lying. I'm not.
Trivia: The film's director, David Cronenberg, has a cameo in this film as the doctor who helps Ronnie deliver her maggot baby.
Question: Why exactly does Brundle experience a feeling of euphoria and strength after his teleportation? Why doesn't he turn into the Brundlefly immediately?
Answer: Brundle's just had all of his atoms separated and then joined back together with a massive influx of electrical energy; certainly that would generate some sort of sensation in cells that have never experienced it before. No reason to believe it couldn't manifest as euphoria and strength. As far as the transformation: Brundle's cells have been put back together with fly DNA in them, but with very little actual fly material, initially. It's reasonable to expect that as his cells die off and regenerate in the usual ways, they are replaced not by human ones, but by human/fly hybrids. As this happens, he becomes gradually more fly-like.
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