E“De-extinction", the idea that extinct(绝种的) animals can be brought backthrough cloning or genetic(基因的)engineering, has attracted the interest of a smallgroup of scientists. The topic had made the cover of National GeographicMagazine. Supporters say they are doing it for moral reasons ...
根据第一段第一句可知 “de-extinction”指的是 “通过克隆或基因工 程使已灭绝的动物重新存在” 。 再结合第 三句支持者们说他们这么做是出于道德可 知画线的it指的就是“de-extinction” ,故答 案为A项。 6.C 推理判断题。 第二段的主题句为第一 话,即 Considering the imperfect science of cloning,...
Sadly, the kid died a few minutes after she was born, so the poor ibex was not just the first animal to be brought back from extinction, but also the first to go extinct twice. Since then, scientists have been refining their methods and developing new de-extinction techniques. Read more...
25 animals that scientists want to bring back from extinctionLindsay Dodgson
s DNA. The basic method of reproductive cloning that could bring animals back from extinction consists of taking DNA from the remains of the species you want to clone and inserting that DNA into a cell (preferably an egg) of a related living species. Then, until the day that artificial ...
The prospect of bringing species back from extinction would lead Congress to support the destruction of natural habitats, because animals that go extinct could be revived in a lab, Pimm told LiveScience. Most species are going extinct in tropical forests, Pimm said. Saving a species through de-...
25 Extinct Animals That Scientists Want To Bring BackBy Juan Castillo July 20, 2024 There have been many extinct animals in the last 100 years. But scientists are considering the possibility of bringing some of these animals back through a process called “de-extinction.” In choosing extinct ...
Those opposing de-extinction attempts are concerned with the animal well-being, once they are brought back.Answer and Explanation: Several de-extinction projects are currently carried out to revive various extinct animals. Below are examples of such projects and the animals they......
Despite all the enthusiasm some scientists and many non-scientists have for de-extinction of this species,ethical concerns exist. Woolly mammoths were social animals that lived in herds. Attempts at bringing them back from extinction may fail many times before a viable mammoth is born. Using an ...
This method is only applied to animals that are either on the brink of extinction or have recently gone extinct, as it requires well-preserved eggs with intact nuclei. For example, this technique was used in2003to bring back a wild goat known as a bucardo (Pyrenean ibex), found in the ...