Youcanreadtheword"cloning"quiteofteninthenewspaper.Ifinditveryinteresting.Itseemslikeafairystory.Withcloningyouwillbecopied.Today,scientistscanclonesomelargeanimals.Doctorsareintheprocessofcloninghumansthoughitisnotallowedinmostofthecountries.
关于克隆的英语作文篇二:
Westhusin’sexperiencewithcloninganimalsleaveshimupsetbyallthistalkofhumancloning.InthreeyearsofworkontheMissyproject,usinghundredsuponhundredsofdog’seggs,theA&Mteamhasproducedonlyadozenorsoembryos(胚胎)carryingMissy’sDNA.Nonehavesurvivedthetransfertoasurrogate(代孕的)mother.Thewastageofeggsandthemanyspontaneouslyabortedfetuses(胎)maybeacceptablewhenyou’redealingwithcatsorbulls,heargues,butnotwithhumans."Cloningisincrediblyinefficient,andalsodangerous,"hesays.
Evenso,dogcloningisacommercialopportunity,withaniceresearchpayoff.EversinceDollythesheepwasclonedin1997,Westhusin’sphonehasbeenringingwithpeoplecallinginhopesofduplicatingtheircatsanddogs,cattleandhorses."Alotofpeoplewanttoclonepets,especiallyifthepriceisright,"saysWesthusin.CostisnoobstacleforMissy’smysteriousbillionaireowner;he’sputup$3.7millionsofartofundA&M’sresearch.
Contrarytosomemediareports,Missyisnotdead.TheownerwantsatwintocarryonMissy’sfinequalitiesaftershedoesdie.Theprototypeis,byallaccounts,athletic,good-naturedandsupersmart.Missy’smasterdoesnotexpectanexactcopyofher.Heknowsherclonemaynothavehertemperament.Inastatementofpurpose,Missy’sownerandtheA&Mteamsaytheyare"bothlookingforwardtostudyingthewaysthatherclonesdifferfromMissy."
Besidescloningagreatdog,theprojectmaycontributeinsightintotheoldquestionofnaturevs.nurture.Itcouldalsoleadtothecloningofspecialrescuedogsandmanyendangeredanimals.
However,Westhusiniscautiousabouthiswork.Heknowsthatevenifhegetsadogpregnant,theoffspring,shouldtheysurvive,willfacetheproblemsshownatbirthbyotherclonedanimals:abnormalitieslikeimmaturelungsandheartandweightproblems~"Whywouldyoueverwanttoclonehumans,"Westhusinasks,"whenwe’renotevenclosetogettingitworkedoutinanimalsyet
关于克隆的英语作文篇三:Cloning
Today’stechnologydevelopssoquicklythatmanyimpossiblethingsbecometrue;thecloningtechnologyistheexample.WhatiscloningCloningisaprocessusedtocreateanexactcopyofamammalbyusingthecompletegeneticmaterialofaregularbodycell.Differentfromthecommonpropagate,cloningneedonlyonecellandwithoutsex.In1997,thegreatnewsshockedthewholeworldthattheBritishscientistscreatedalampnamedDollyfromasinglecell,miraculously;thecellhadbeentakenfromtheudderofadultsheep,whichshowthefirstcloningexperimentwassuccessful.
Whenthecloningtechnologyimprovessoquickly,manyscientistsanddoctorshavedifferentopinions,someonethinkitisgoodbutsomeonethinkitisbad.Cloningcanbringmanybenefitstothehuman,suchasrejuvenation,helpfulforDefectivegenes,Liverfailure,KidneyfailureandLeukemia.Thesediseaseareverydifferenttocure,ifweusethecloningtechnologywecanchangetheGene’sDNAorder,sowecansavelotsofpeople.Butcloningstillhassomeproblems.Thescientistsfoundthatthecloninganimal’sGenehasalittledifferentfromtheoriginalanimal.Sothelifewillshorterthanthereallife.Thefactprovedthat,thecloningsheepDollyhasdied.Itonlyhasthehalflifeofthecommonsheep.InmyownopinionIagreetoclonetheendangeredanimalanddisagreewithcloninghuman.BecauseIthinkthecloningtechnologyshouldberespected.Itreallycanbringusmanybenefits;furthermoreitcandevelopthescienceofhuman.Ifclonethehuman,therewill,however,bemanyproblems,thepopulationisthebiggestproblem.Maybesomepeoplewillusethecloningpeopletostartthewar.SoIamagainstcloninghuman.
Alsomanycountriesdisagreetoclonepeople.Thegovernmentmakesthelawsaboutcloning.TherearelawsagainsthumancloninginCanada,Denmark,England,Norway,Spain,andtheUK.EvenintheUSA,thegovernmentdoesn’tallowtoclonehuman.(BecauseinUSA,thehumanrightishigherthaneverything)
Intheend,Ithinkcloningisnewtechnology,itshouldbeaccepted,howtolookuponthistechnique,firstweshouldknowtheadvantagesanddisadvantages,thenweshouldknowtheeffectofcloningforhumanandtheanimal,thirdwewilltaketheaction:Toadvocatetheanimalcloningbutbeagainstwiththehumancloning.
关于克隆的英语作文篇四:MyViewonClone
Withtherepiddevelopmentoftechnology,clonecomestotheworld.Itcanduplicatecreature,whichmeansitcanmakecontributiontotheproduction.Peoplecanpayalittleandgetalotintheend.However,italsohasdisavantages.Ithinkasthedevelopmentofthehigh-tech,peoplecanuseclonetocopyhumenbeings.It’ssohorribleformetoknowthatthereissomeonethesamewithme.Butingeneral,clonehasmoreadvantagesthandisadvantages.
随着科技的迅速发展,克隆来到了这个世界。克隆技术可以复制生物,这意味着它可以为生产做贡献。人们可以付一点,最后得到很多。但是它也是有缺点的。我觉得随着高科技的发展,人们可以使用克隆技术来复制人类。是多么的可怕认识到有一个和自己在一模一样的人。不过总的来说,克隆的优点多于缺点。
关于克隆的英语作文篇五:克隆的好处与坏处
Tocloneornottoclone,isthatthequestion
Advancedtechnologyhasalreadypushedhumanbeingtoedges,suchastheproductionofweaponsofmassdestruction,thedestructionofOzonebyFreon,andtheapplicationofclone.Theheateddeabteoverwhethercloningtechniqueshouldbeusedinhumanreproductionmustbeconsideredasaseriousissue.
Clone,toacertaindegree,isbeneficialtomankind.SuchdiseaseasParkinsonswillpossibllybecuredinthefutureinthehopeoffurtherapplyingofclone.However,theabuseofthistechnologywillbringhumanbeingunthinkabledestruction.
Ofcourse,therestillremainsmuchmoredisadvantagesoftheapplicationofcloningreproductionofhumanbeingandanimals.Weshouldbeextremelycautiousofwhatwedoandthusrememberwewillsureberespondibleforalltheresultscreatedbyourselves!!!