This has got to be one of the most interesting readings regarding Adam for me. Make sure you check the article out by Pete Enns, writer of Inspiration and Incarnation: Evangelicals and the Problem of the Old Testament,a book that has probed my mind to think deeper.
“There are two ways of looking at this parallel. You could say that the Adam story came first and then the Israelites just followed that pattern. But there is another way. Maybe Israel’s history happened first, and the Adam story was written to reflect that history. In other words, the Adam story is really an Israel story placed in primeval time. It is not a story of human origins but of Israel’s origins.” (read the rest of the article here: Adam is Israel)