If they then mixed with each other there, then those modern humans that became the ancestors of everyone outside Africa carried with them this Neanderthal component in their genome to the rest of the world.
もしそこで交配が起こったなら その現代人がアフリカ以外の人 全ての祖先となり 世界中の子孫に ネアンデルタール人の部分の ゲノムを広げたのです