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    Ancient Horse Is the Oldest DNA Genome Mapped

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    Geo Beats

    by Geo Beats

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    The oldest DNA ever mapped by scientists is that of a horse from around 700 thousand years ago. The ancient horse DNA is from the remains of a species that lived in Yukon, Canada.

    The oldest DNA ever mapped by scientists is that of a horse from around 700 thousand years ago.

    The ancient horse DNA is from the remains of a species that lived in Canada's Yukon territory.

    Frozen in permafrost, the remains include well-preserved blood and tissue, which allowed researchers to create a map of the DNA.

    Gene mapping has created a genome that is about 10 times older than the second oldest DNA map.

    Additionally, the team mapped DNA samples from a 43 thousand year old horse that was also preserved by being frozen, modern horses, a donkey, and a Przewalski horse for comparison.

    Some researchers thought that Przewalski horses from Mongolia were a subspecies of domesticated horses, like the American Mustang, but the latest DNA maps show they are a completely separate species, making them the last wild horses on Earth.

    The data also pointed to evidence that the common ancestor of zebras, horses, donkeys, and asses lived between 4 to 4 and a half million years ago, which is twice as old as previous evidence suggests.