Before revision: A person's DNA markers being matched to a particular region does not necessarily indicate that their ancestors are from that region , due to the fact human populations have migrated all throughout history, and the geopolitical borders of modern nations are not the same as they were in the past.
After revision: A person's DNA markers being matched to a particular location does not necessarily indicate that their ancestors are from that location , due to the fact human populations have migrated all throughout history, and the geopolitical borders of modern nations are not the same as they were in the past.