-->Warning, thread content may be ultra-heretical. <--
It's come up, occassionally, from time to time, especially from the Tzeenchan/Dark Mechanicum front: Would it not be possible, if not perfectly feasable, for chaos to reverse engineer the space marine process?
Looking at the mutations table, one could even note a striking similarity between various mutations and what a space marine gets as additional organs. Chaos Organs, spitting acid. Is it mentioned in fluff how far the emperor's sorcery and how far science went in their creation anywhere? At first glance, it destinctly looks like what the emperor did was synthesise common warp mutations in labs and attempt to make them stable enough for constant, frequent reuse (which would imply the geneseed corruption isn't direct divine intervention, but rather the result of his own chosen method).
So, two questions I suppose: Is there any definitive canon I'm missing on the creation of space marines (I am notoriously ignorant of novels, for example)?
Would it be feasably possible for Tzeenchan sorcerers and magi biologi to recreate the process from scratch? What would they discover when cutting open marines and analysing their organism?