dead critter + player brain + SR = playable critter

[Wraithcraft]

this is a pretty fun idea, and also sounds like a great "final last resort" cloning method
"cloning's been bombed and we have no materials for a cyborg. what do we do?"
"we can clone them into a monkey!"
"the monkeys are all dead, doc"
"... fetch me Morty. I have a plan..."
*cue bats, ominous lightning and a bitchin' cackle*