Ancient DNA is uncovering the secrets of the unique populations of what are now Portugal and Spain
The rugged peninsula is positioned between North Africa, Europe and the Mediterranean on the westernmost edge of the continent, so the DNA of its ancient population shows how it was affected by migration over time. Iberia was also relatively warm during the last Ice Age, between 18,000 and 24,000 years ago, presenting a more welcoming climate for animals and people who retreated from the rest of Europe.
Modern-day Iberian men can still trace their paternal ancestry to these central Europeans.But the genetic data will need a boost from what anthropology and archaeology can show about the underlying causes for why this Y chromosome shift happened, the researchers said. The researchers also discovered that between 8000 BC and 5500 BC, Iberia's hunter-gatherers were genetically different from each other.
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