If Genesis is Metaphorical, what's the metaphor?

The way we have interpret these moral lessons in our modern context often depends on our assumptions and world view about religion that comes from later developments. For example, many Christians believe in the concept of Original Sin, and see the 'fall' of mankind in the story. The Jewish religion does not have the concept of original sin,
and therefore there was no 'fall'. The moral lessons they see are different than the Christian