The eden account implies that A&E were created mortal, depending not just on food energy, but on that special ingredient: leaves, fruit, bark,- whatever off the tree of life, sooner or later, perhaps constantly. the tree of life was among those prominently provided and recommended, not another forbidden, or hidden source of continuing sustained life.
according to these story details then, there was no genetic dead-cake-panning needed to die. we are normal, pronounced to be among the "very good" of creation as we are, --but we die because of the twirling swords.