A study of ancient DNA from the Iberian Peninsula suggest Iberian male lineages were almost completely replaced, between 4,500 and 4,000 years ago, by newcomers originating on the Russian steppe.

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A study of ancient DNA from the Iberian Peninsula suggest Iberian male lineages were almost completely replaced, between 4,500 and 4,000 years ago, by newcomers originating on the Russian steppe.