Geneticists trace the DNA trail of the first Americans.
Gibbons
A
A
D004272:DNA, Mitochondrial / Q000032:analysis*; D006801:Humans; D007197:Indians, Central American / Q000235:genetics*; D007198:Indians, North American / Q000235:genetics*; D007199:Indians, South American / Q000235:genetics*; D009106:Mummies; D010163:Paleontology
D004272:DNA, Mitochondrial