The "Greenberg" hypothesis.
Greenberg
J H
JH
D004272:DNA, Mitochondrial / Q000235:genetics; D004641:Emigration and Immigration; D005828:Genetics, Population; D049690:History, Ancient; D006801:Humans; D007198:Indians, North American / Q000235:genetics / Q000266:history; D007199:Indians, South American / Q000235:genetics / Q000266:history; D007802:Language
D004272:DNA, Mitochondrial