Researchers also found modern Arctic sledge dogs appear to be direct descendants of those brought over from Siberia and Alaska.
, is the first to show that the ancestors of modern-day Inuits introduced a new, specialized dog population to the area rather than adopting local, much smaller populations already present. This indicates they wanted to build on the features of their dogs as they were useful in expanding across this inhospitable landscape.
Researchers knew that sledge dogs living today would at least in part be descended from dogs that arrived during the Inuit period. However, the findings showed the modern population appears to be directly descended from this population, although further genetic research would be needed to confirm this. After their arrival, the local population of dogs was almost completely replaced, Ameen said.
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