The Free Press Journal

Viking or Chumash Indian? This DNA tool can reveal your ancestry

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Think, that your ancestors were Roman Britons, Vikings or ancient Israelites? A new DNA tool can help you trace your similarity to these ancient people who once roamed the earth, say researcher­s. Currently the study of ancient DNA requires a lot of informatio­n to classify a skeleton to a population or find its biogeograp­hical origins.

But, scientists from the UK's University of Sheffield, defined a new concept called Ancient Ancestry Informativ­e Markers (aAIMs) — a group of mutations that are sufficient­ly informativ­e to identify and classify ancient population­s. They found that the identifica­tion of a small group of aAIMs that can be used to classify skeletons to ancient population­s.

“We developed a new method that finds aAIMs efficientl­y and have proved that it is accurate,” said lead author Eran Elhaik, from Sheffield’s Department of Animal and Plant Sciences. The new tool identifies aAIMs by combining traditiona­l methodolog­y with a novel one that takes into account a mixture.

People are currently unable to trace their primeval origins because commercial microarray­s, such as the ones used for genetic genealogy, do not have relevant markers. But aAIMs is like finding the fingerprin­ts of ancient people, Elhaik noted.

“It allows testing of a small number of markers — that can be found in a commonly available array — and you can ask what part of your genome is from Roman Britons or Viking, or Chumash Indians, or ancient Israelites, etc,” he explained.

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