当前位置: > 克隆的好处英文...
题目
克隆的好处英文

提问时间:2021-04-18

答案
可以使一些濒临灭绝的动物得以种族延续,并在医学上有好处,克隆人虽然有很多坏处但它也可以使许多没有生育能力的人完成梦想现在科学界把克隆分为治疗性克隆和生殖性克隆两种.前者是利用胚胎干细胞克隆人体器官,供医学研究、解决器官移植供体不足问题,这是国际科学界和伦理学界都支持的,但有一个前提,就是用于治疗性克隆的胚胎不能超出妊娠14天这一界限.而对于生殖性克隆,即通常所说的克隆人,由于它在总体上违背了生命伦理原则,所以,科学家的主流意见是坚决反对的.联合国教科文组织、世界卫生组织和国际人类基因组伦理委员会和各国政府也都非常明确地表示,反对生殖性克隆.
Can make some of the endangered animals continue to race,and medical benefits of human cloning,in spite of many disadvantages,but it can also make many people unable to have children now dream of the completion of the scientific community to be divided into therapeutic cloning and reproductive cloning Two types of cloning.The former is the use of embryonic stem cell cloning of human organs for medical research to address the shortage of donor organ transplants,which is the international scientific community and the ethics community support,but there is a premise that is used for therapeutic cloning of embryos pregnancy can not exceed 14 The limits of the day.As for reproductive cloning,known as human cloning,since it generally goes against the principles of bioethics,so the scientists,the mainstream opinion is strongly against it.UNESCO,the World Health Organization and the International Human Genome Ethics Commission and the governments are very clear that opposition to reproductive cloning.
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
奥巴马演讲不用看稿子.为什么中国领导演讲要看?
想找英语初三上学期的首字母填空练习……
英语翻译
版权所有 CopyRight © 2012-2019 超级试练试题库 All Rights Reserved.