Scientific Suggestion for STS and STO

[creationist]

Getting into the spirit of giving during the holiday season may seem like a struggle, but it turns out generous people aren't fighting the urge to screw others over, as some have suggested.

Instead, generosity – or the desire for fairness – seems automatic and arises from activation in a brain area that controls intuition and emotion.

Neuropsychologists define "prosocial" people as those who prefer to share and share alike, and "individualists" as those who are primarily concerned with maximising their own gain.

http://www.newscientist.com/article/dn18...eople.html

The question is... would that kind of genetic depositions then be selected prior to reincarnation then based on your chosen polarity? What if a world was advanced enough to do genetic modifications to forcefully change it?