Only H. neanderthalensis contributed anything to the modern human genome, and even then, only around 3%, which was mostly genes relating to immune system function.Hominids such as Neanderthal, Denisova and Heidelbergensis were running around in Eurasia for the last million years.
Nope, it hasn't. Sorry to burst your racist bubble.They form part of the non-African lineage. You need to understand that "Out of Africa" is a false theory. It has been falsified. Understand that.
http://science.kqed.org/quest/2008/0...tic-diversity/You are just making up that the differences are miniscule and in fact you have no idea how deep the differences run.
People are surprisingly similar at a genetic level. For example, any two people from anywhere on Earth are more similar than two chimps from the same troop.