Scientists believe it may be possible to clone a woolly mammoth within five years after finding well-preserved bone marrow in a thigh bone recovered from permafrost soil in Siberia.
Teams from Russia's Sakha Republic's mammoth museum and Japan's Kinki University will launch fully-fledged joint research next year aiming to recreate the giant mammal, Japan's Kyodo News reported from Yakutsk, Russia.
By replacing the nuclei of egg cells from an elephant with those taken from the mammoth's marrow cells, embryos with mammoth DNA can be produced, Kyodo said, citing the researchers.
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