求助 写一篇关于克隆的英语作文大侠们帮一下忙 就以why should we use cloning为题 写一篇英语作文

Firstly, I want to explain what is clone. In the dictionary, clone is a group of plants or organisms produced asexually from one ancestor. It can replicate the gene from the best biology. So it brings us its usages. I think clone technology can help man to keep biology from being extinct. Even if there is an only existence of some species, we also can let this species goes on in the world. At the same time, man can get a great much of benefit from it. If somebody lost his arm or leg, we can replicate the new one by him gene. So there is no physical rejection. We will greatly help the disable to improve their life and reduce us cost in health-care.