克隆利弊的英语作文

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

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?

书通网专稿，未经允许禁止转载