A new study looking at human DNA reveals that early humans may have interbred with a mysterious ‘alien species’ over 30,000 years ago. According to scientists, updated genome sequences from two relatives of modern humans reveal that these groups interbred with several human-like species, one of which was “not human”. 3tags.org reports: The ancient genomes, one from a Neanderthal and one from a member of an archaic human group called the Denisovans, were presented at a meeting on ancient DNA at the Royal Society in London. The results suggest that interbreeding went on between the members of several ancient human-like groups in Europe and Asia more than 30,000 years ago, including an as-yet-unknown human ancestor from Asia. “What it begins to suggest is that we’re looking at a Lord of the Rings-type world — that there were many hominid populations,” says Mark Thomas, an evolutionary geneticist at University College London who was at the meeting but was not involved in the work. The first published Neanderthal and Denisovan genome sequences revolutionized the study of ancient human history, not least because they showed that these groups bred with anatomically modern humans, contributing to the genetic diversity of many people alive today. [...]
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