Published on March 4, 2017
Modern Europeans descend from FOUR groups of hunter-gatherers: New strand of DNA discovered in the Caucasus is the ‘missing piece in the ancestry puzzle’
Sequencing was carried out using remains from Kotias Klde, Georgia
There were previously thought to be at least three lineages – early hunter-gatherers that migrated north, farmers in the Mediterranean and Yamnaya
New ‘fourth strand’ stems from a population that split from western hunter-gatherers around 45,000 years ago and went on to settle in the Caucasus
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