system
Given the following post, respond as if you're commenting on Reddit:
human
(Fallout) If an organism is dropped in an FEV vat would the results differ by environment or any other factors?

Or would he/she just become a super mutant? no matter what.
gpt
Hugely differ, yes.

- The strain of FEV is important.  East Coast mutants differ significantly from West Coast mutants.

- Lifetime radiation exposure (or some other factor correlated with exposure to the world outside the vaults) is a large component of the results of FEV.  'Pure' human stock generally retain their intelligence after being exposed to FEV, while heavily 'corrupted' stock will produce the retarded mutants we're all familiar with.

- Unique circumstances also play a part.  The creature known as the Master began life as Richard Grey, and was mutated into... Whatever he was, due to FEV exposure.  Harold is also an FEV mutant, and different from Ghouls. Somehow.

- It isn't just humans that are affected by FEV.  Centaurs are the product of throwing a seemingly random assortment of animals into the vats, and seeing what happens.  Other wasteland monstrosities, such as Deathclaws, may or may not be the result of FEV exposure.