Revealing close and distant relatives in ancient DNA with unprecedented precision

Scientists have developed a new computational tool to detect up to second to third degree cousins using ancient genomes

Shedding new light on the live of our ancestors, and their mobility. Researchers
Shedding new light on the live of our ancestors, and their mobility. Researchers developed a new computational method that enables them to detect relatives up to the sixth degree. 123RF | hecke

If two persons are biologically related, they share long stretches of DNA that they co-inherited from their recent common ancestor. These almost identically shared stretches of genomes are called IBD ("Identity by Descent") segments. Up to the sixth-degree relatives - such as second to third cousins would be, or a great great great great grand parent - the two relatives even share multiple IBD segments. ...

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