A new study of DNA patterns throughout the world suggests that North America was originally populated by no more than 70 people, claims stunning new DNA research.
Up to now DNA analyses of the intrepid and original 'founding fathers' looked at a particular gene, using estimates and academic assumptions on constant population sizes over time.
The new study, by Professor Jody Hey, came at the subject from a different angle - looking at nine genomic regions to account for variations in single genes, and assuming that sizes of founding populations changed over time.
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