篇一、关于克隆英语作文
Increaed food ecurity for growing population
If the low ucce rate can be improved (Dolly wa only one ucce out of 276 trie)reproductive cloning can be ued to develop efficient way to reliably reproduce animal with pecial qualitie.For exampledrug-producing animal or animal that have been genetically altered to erve a model for tudying human dieae could be ma-produced.
Reproductive cloning alo could be ued to repopulate endangered animal or animal that are difficult to breed.In 2001the firt clone of an endangered wild animal wa borna wild ox called a gaur.The young gaur died from an infection about 48 hour after it birth.In 2001cientit in Italy reported the ucceful cloning of a healthy baby mouflonan endangered wild heep.The cloned mouflon i living at a wildlife center in Sardinia.Other endangered pecie that are potential candidate for cloning include the African bongo antelopethe Sumatran tigerand the giant panda.Cloning extinct animal preent a much greater challenge to cientit becaue the egg and the urrogate needed to create the cloned embryo would be of a pecie different from the clone.
Therapeutic cloning technology may ome day be ued in human to produce whole organ from ingle cell or to produce healthy cell that can replace damaged cell in degenerative dieae uch a Alzheimer' or Parkinon'.Much work till need to be done before therapeutic cloning can become a realitic option for the treatment of diorder.[由Www.haozuowen.com整理]
篇二、关于克隆英语作文
With the development of our cience and technology cloning become more and more cloe to our live. Looking at another you probably could be a fun however ome people think that it will bring a lot of trouble uch a how to identity which one i real. In my opinion we do not need to clone a whole body of you. For example when you loe one of your finger they can jut clone a new finger for you. And that would a very good application in medical ue. Thu I think that we hould ue the clone to make our life better off.
篇三、关于克隆英语作文
Today’ technology develop o quickly that many impoible thing become true; the cloning technology i the example. What i cloning? Cloning i a proce ued to create an exact copy of a mammal by uing the complete genetic material of a regular body cell. Different from the common propagate cloning need only one cell and without ex. In 1997 the great new hocked the whole world that the Britih cientit created a lamp named Dolly from a ingle cell miraculouly; the cell had been taken from the udder of adult heep which how the firt cloning experiment wa ucceful.
When the cloning technology improve o quickly many cientit and doctor have different opinion omeone think it i good but omeone think it i bad. Cloning can bring many benefit to the human uch a rejuvenation helpful for Defective gene Liver failure Kidney failure and Leukemia. Thee dieae are very different to cure if we ue the cloning technology we can change the Gene’ DNA order o we can ave lot of people.
But cloning till ha ome problem. The cientit found that the cloning animal’ Gene ha a little different from the original animal. So the life will horter than the real life. The fact proved that the cloning heep Dolly ha died. It only ha the half life of the common heep.
In my own opinion I agree to clone the endangered animal and diagree with cloning human. Becaue I think the cloning technology hould be repected. It really can bring u many benefit; further more it can develop the cience of human. If clone the human there will however be many problem the population i the bigget problem. May be ome people will ue the cloning people to tart the war. So I am againt cloning human.
Alo many countrie diagree to clone people. The government make the law about cloning. There are law againt human cloning in Canada Denmark England Norway Spain and the UK. Even in the USA the government doen’t allow to clone human. (Becaue in USA the human right i higher than everything)
In the end I think cloning i new technology it hould be accepted how to look upon thi technique firt we hould know the advantage and diadvantage then we hould know the effect of cloning for human and the animal third we will take the action: To advocate the animal cloning but be againt with the human cloning.