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Pastimes : Archaeology
SCHX 27.24+2.1%Feb 6 4:00 PM EST

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From: Savant2/6/2026 3:40:16 PM
   of 7986
 
One gene reveals clues to why humans thrived and Neanderthals didn’t

Scientists began to look for clues in DNA. Out of 20,000 genes that code for proteins, there were only about 100 changes to the building blocks of proteins between extinct hominins and modern humans. In 2022, scientists intriguingly reported that a version of a gene called TKTL1 found in modern humans and not Neanderthals helps spur the generation of new brain cells and could be responsible for differences in cognitive capacities.

In the new paper, scientists examined ADSL. One building block of the ADSL enzyme found in nearly every human today was different in chimpanzees, Neanderthals and Denisovans. The scientists set out to understand how the function of the gene compared.

One gene reveals clues to why humans thrived and Neanderthals didn’t
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