Many kind of sins seem to be genetic. Otherwise how are we supposed to have the original sin from birth? It seems to be passed on from generation to generation.
We're guilty of the crime of being human. If we happen to be gay, we're twice as guilty.
"Debating creationists on the topic of evolution is rather like trying to play chess with a pigeon — it knocks the pieces over, craps on the board, and flies back to its flock to claim victory." - Scott D. Weitzenhoffer