Amazing Facts About Woolly Mammoths

The blood of the Woolly mammoths had antifreeze properties. That kept their bodies supplied with oxygen in the sub-zero temperatures. A study of DNA extracted from 43,000-year-old mammoth remains showed that the blood of mammoths required less energy to transport oxygen through bloodstream allowing the mammoth to conserve energy without losing heat. Woolly mammoths were 2.7 to 3.4 meters (9 to 11 feet) tall and weighed around 6 tons (12000 pounds).

Their bodies were covered in a thick coat of brown hair to keep them warm in Arctic plains. The tusks of the Woolly Mammoth were up to 4.5 meters (15 feet) long. A mammoth age can be counted using the rings in its tusk. Genome sequencing of mammoth's DNA suggests they are related to Asian elephants and are closer to one another than humans and chimpanzees. Complete woolly mammoth carcasses have been discovered preserved in permafrost.

This makes these ice age giants a leading candidate for de-extinction. Scientists are trying to resurrect the extinct woolly mammoth. Key genetic traits of mammoths are being added to the genome of the Asian elephant. These traits include shaggy long hair, thick layers of fat and cold-adapted blood. So far, 45 mammoth-like edits of DNA have been spliced into the Asian elephant genome.Woolly mammoths were intelligent animals just like modern-day elephants

This was shown in a comparison study of woolly mammoth and elephant brain. Woolly mammoths went extinct around 10,000 years ago but a small population of them remained alive on a small island in the Arctic Ocean. A study showed that these isolated mammoths suffered from destructive mutations which resulted in their complete extinction. Wired genome mutations turned their shaggy coat translucent and satin-like.

Mammoths likely selected their mates, based on the unique odor of their urine. Genetic mutations changed the proteins in the giant's urine and they also lost their sense of smell. As a result of these genetic mutations they had difficulties in mating. These mutations made it difficult for them to produce healthy offspring. The last population of woolly mammoths lived 4,000 years ago. 

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