Your Genome Is an Archaeological Site, But We’re More Than a Mosaic of Ancestries

How ancient layers persist, and how selection reshaped them

When people talk about ancient ancestry, they usually talk about populations. Italians have roughly this much Neolithic farmer ancestry. Northern Europeans tend to have more Steppe-related ancestry. Parts of the eastern Mediterranean tend to show more ancestry ultimately related to ancient Near Eastern and Caucasus/Iran Neolithic–adjacent sources. These…