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400,000-Year-Old Teeth Reveal a Stunning Twist in Human Evolution
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What Happened?
A new study reveals that Homo erectus interbred with Denisovans around 400,000 years ago, impacting modern human genetics in Southeast Asia. The research challenges previous models of human evolution.
Key points
- The study published in Nature was led by Qiaomei Fu from the Chinese Academy of Sciences.
- Researchers extracted ancient proteins from six teeth dating back 400,000 years.
- Homo erectus is believed to have moved into Eurasia nearly two million years ago.
- The study indicates gene exchange between Homo erectus and Denisovans.
- A unique amino acid variant was found in the teeth, confirming their identity.
- The findings suggest a complex web of interbreeding among ancient human species.
Key insights
- The findings suggest that modern human genomes are mosaics from multiple archaic groups.
- Interbreeding among ancient species was common, not exceptional.
- The study opens avenues for exploring genetic contributions from other ancient lineages.
Why it matters
This research reshapes our understanding of human ancestry and highlights the complexity of human evolution.
Tags
Entities
Homo erectus· SpeciesDenisovans· SpeciesQiaomei Fu· PersonChinese Academy of Sciences· OrganizationPeking Man· Event
Source
Science Daily
