It’s a bad day T-shirt
Official It’s a bad day T-shirt
been reached in the Official It’s a bad day T-shirt it is in the first place but field of genetics, starting with the cloning of the first animal — a sheep named Dolly — in 1996. Starting in 2001, four endangered species have been cloned using genetic material from the Frozen Zoo: the Indian Gaur, a humpbacked Asian wild ox; the Banteng, a Southeast-Asian species of cattle; Przewalski’s horse, once found throughout Mongolia and extinct in the wild until recently; and the Black-footed ferret, which was believed to be extinct in the wild until it resurfaced in 1981, but was then almost wiped out by an epidemic. In 2001, an Indian gaur was born, cloned using genetic material from the Frozen Zoo and gestated in a domestic cow. Genetic rescue Although cloning isn’t perfect — the cloned Indian Gaur only survived for 48 hours — it’s a useful tool to help save endangered species, because it can increase genetic diversity. When the population of a species dwindles, the remaining animals are forced to inbreed and the genetic pool shrinks, further threatening survival. But the cloned Black-footed ferrets, for example, were born in 2020 from samples collected in 1988, which meant that their genetic profile was much more varied than the current population. “In a species of animals, the genetic diversity is what gives it its resilience, its ability to bounce back from natural catastrophes, virus attacks, disease attacks. That’s because if there are more
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