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Ancient DNA

Ancient samples against today's carriers of the same branches: far from home, at the root of living branches, lines that died out, and cultures where the male lines changed.

Discover

Ancient DNA: a branch far from home #

An ancient sample found far from where most of its branch lives today: at least 60% of its living carriers sit in one region of the world, the sample in another. Branches with 40+ kits. “?” means Discover is unsure of the sample's place on the tree.

Each arrow runs from where the branch is most common today to its ancient samples. Hover over an arrow or tap it.

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Discover

Ancient DNA: at the root of living branches #

The sample sits right on the node of a big living branch (1,000+ kits) and is dated within 1,000 years of its common ancestor — one of its first known carriers. “?” means Discover is unsure of the sample's place on the tree.

Discover

Ancient DNA: lines all but absent today #

A line formed after 3,500 BCE is found among a country's ancient men at 4+ sites and makes up at least 4% of its ancient samples, yet under 0.2% of the country's testers today, on a sample large enough to rule out more than 0.5%. Samples with an uncertain place on the tree are left out.

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Discover

Ancient DNA: the oldest in the Caucasus #

The earliest Caucasian sample of every branch with 1,000+ kits. A sample that is the oldest for several nested branches is shown under the narrowest; in grey, the age of the branch's common ancestor. “?” means Discover is unsure of the sample's place on the tree.

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Discover

Ancient DNA: a sample older than its branch #

Even the latest possible date of the sample is earlier than the earliest Discover estimate of its parent branch's common ancestor. This points to a dating error, a contaminated sample or a wrong place on the tree. “?” means Discover is unsure of the sample's place on the tree.

Cultures that share far more mt lines than Y lines #

Pairs of cultures with a shared sample country (3+ samples from it in each), the younger at most 3,000 years after the older. We take cultures with at least 30 Y and 30 mt samples and count shared lines at the depth of the tree the comparison page picks for each pair by itself. Shown are pairs where mt shares at least 30 points more lines than Y, and Y shares no more than 25%. This looks like new men arriving among local women, but different samples look the same way: the male and female samples may come from different burial grounds, or from relatives buried together. Across all 296 pairs the median difference is 17 points. Each older culture keeps only its pair with the largest difference. We check each gap against chance: up to 10,000 times we reshuffle the samples between the two cultures, keeping group sizes, and keep the pairs where such a gap rarely comes up. The correction covers all 296 pairs, with a false discovery rate of 5%.

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Other topics: Branches · Countries and peoples · Kin · YFull and FTDNA