克隆利弊的英语作文

　　篇一：克隆的好处与坏处(1286字)

　　Reproductive cloning also could be used to repopulate endangered animals or animals that are difficult to breed.In 2001,the first clone of an endangered wild animal was born,a wild ox called a gaur.The young gaur died from an infection about 48 hours after its birth.In 2001,scientists in Italy reported the successful cloning of a healthy baby mouflon,an endangered wild sheep.The cloned mouflon is living at a wildlife center in Sardinia.Other endangered species that are potential candidates for cloning include the African bongo antelope,the Sumatran tiger,and the giant panda.Cloning extinct animals presents a much greater challenge to scientists because the egg and the surrogate needed to create the cloned embryo would be of a species different from the clone.

　　Therapeutic cloning technology may some day be used in humans to produce whole organs from single cells or to produce healthy cells that can replace damaged cells in degenerative diseases such as Alzheimer's or Parkinson's.Much work still needs to be done before therapeutic cloning can become a realistic option for the treatment of disorders.

　　篇二：克隆技术利弊(1050字)

　　With the development of science and technology, our side appeared a lot of new things,such as clone,The scientific invention of clone has become a hot topic among people,especially among the young and heated debates are right on their way. Now the cloning scientific has been used for many years to produce plants, it has brought us a lot of benefits but has created some serious problems as well. The benefit of cloning is cloning human organs or body parts , such as that if a parson in a traffic accident lost his arm or leg ,or someone get a serious heart disease and face danger ,he need a new body parts replace ,At this time we can use cloning technology copy a new parts of body to replace ,in the this way can be ensure that someone continue to live ,so that the clone is benefit for us . Everything has two sides and cloning is not an exception,it has both advantages and disadvantages. On the contrary,most people are against of cloning technology been used in our life, One of the biggest reason is that human cloning technology will break the gender balance,it will be bring up a great chaos. As far as I think cloning technology is more much disadvantage for human being ,we should very careful to use it, I believe that only in this way our life will be more beautiful

　　篇三：克隆的好处与坏处(1920字)

　　Advanced technology has already pushed human being to edges,such as the production of weapons of mass destruction,the destruction of Ozone by Freon ,and the application of clone.The heated deabte over whether cloning technique should be used in human reproduc--

　　tion must be considered as a serious issue.

　　Clone, to a certain degree, is beneficial to mankind.Such disease as Parkinsons will possiblly be cured in the future in the hope of further applying of clone.However,the abuse of this technology will bring human being unthinkable destruction.

　　Since the declaration of the death of Dolly,we are more conscious of the inefficient procedure of clone.Acorrding to "Dolly's false legacy",the incidence of death among fetuses and offspring produced by cloning is much higher than it is through natural reproduction--roughly 10 times as high as normal before birth and 3 times as high after birth.And even you may argue that this technology will be perfected in the future, i don't see there is any point in whole--being cloning.

　　Many people consider this technology a promising one as to bring all human being to a new era in which all human reproduction will be accomplished by cloning.Thus scientists in some countries have already started their great plan to clone human.But let's think, what is the practical value in doing so?You may tell me that it can bring hope for those couples unable to have children because they might choose to have a copy of one of them rather than accept the gene intrusion from a doner.But imagine,if you have a child owning the same apperance as yours or your husband's, will you accept it without any uncomfort?

　　Don't you think it is embarrassing?Or if this kind of human reproduction is allowed,terrorists may get hold of it and reproduce lots of "American Presidents".Don't you agree that these presidents might bring the world much more chaoes?Besides these terrible aspects,the cloning of whole--being may destroy the diversity of people of the globe.

　　Of course, there still remains much more disadvantages of the application of cloning reproduction of human being and animals. We should be extremely cautious of what we do and thus remember we will sure be respondible for all the results created by ourselves!!!

　　So how do u think about it?

　　
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