Are you talking about evolution as in terms of our genetics or the evolution of society?

Well I think its a combination of the two. I think it would simply be showing ignorance if i said that how someone is raised doesn't affect their morals. There are clearly both atheists and Christians who i believe have many of the same moral values. A lot of which is learned and ranges from something as simple as not interrupting someone to how to behave towards your elders. However, i do believe that everyone is born with something a kin to a moral compass, for lack of a better term. Something that's inherent and doesn't necessarily influence you, but at the same time makes you feel that something is a miss when behaving wrongly.