SFGAte.com: Scientists have long known that regardless of ancestral home or ethnic group, everyone's genes are pretty much alike. We're all Homo sapiens. Everything else is pretty much details.
Recent research has produced a surprise, however. Population geneticists expected to find dramatic differences as they got a look at the full genomes - about 25,000 genes - of people of widely varying ethnic and geographic backgrounds.
But, they didn't.