well, I, for one, am a "pure blooded" American of Italian, Scots, Welsh & god know what else lineage... P)

the human race is pretty much a mongrel collection of genes accumulated over 100 thousand years - give or take- we have been roaming the planet all that time and now it's taking even less time... so we may well be tota;;y homogenized by the end of this millenium... if we don't toast ourselves first.