The "dented cake mold" model would be valid if humans and stars, trees, animals all grow old and die because of sin.
The consequence of touching, eating of the forbidden tree was PREMATURE death, not death per se, not an instant genetic downgrade.
Death was build into the human condition. proof?
the need of the tree of life to mitigate that.
withheld as a punishment.
A&E children just carried the genes their parents had from the beginning, perfect for continued life of all species on this planet.
The genes that morphed from the first life billions of years ago and we still carry today,
how much more perfect could it get?