克隆 Cloning 英语作文Word文件下载.docx
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CloningEssay:
Longago,anovelbyMaryShellygrabbedalotofattention.ThenameofthisnovelisFrankenstein,whereinascientistcreatesabodybycombinationofchemistry,alchemyandelectricity.Heliterallycreatedahumanbeingbyunnaturalmeansthoughwithoutill-intentions.Today’sdoctorsandscientistsseemtobedoingsomethingofthesamekind.Thekeendesireandcuriositytoovercomenaturehasledmantoindulgeinalotofnewventures.Cloningisoneofthem.
LongandShortEssaysonCloningforKidsandStudentsinEnglish
GivenbelowaretwoessaysinEnglishforstudentsandchildrenaboutthetopicof‘Cloning’inbothlongandshortform.ThefirstessayisalongessayonCloningof400-500words.ThislongessayaboutCloningissuitableforstudentsofclass7,8,9and10,andalsoforcompetitiveexamaspirants.ThesecondessayisashortessayonCloningof150-200words.Thesearesuitableforstudentsandchildreninclass6andbelow.
LongEssayonCloning500WordsinEnglish
BelowwehavegivenalongessayonCloningof500wordsishelpfulforclasses7,8,9and10andCompetitiveExamAspirants.Thislongessayonthetopicissuitableforstudentsofclass7toclass10,andalsoforcompetitiveexamaspirants.
Thetermcloningdescribesanumberofdifferentprocessesthatcanbeusedtoproducegeneticallyidenticalcopiesofabiologicalentity.Clonesareorganismsthatareexactgeneticcopies.Researchershaveclonedawiderangeofbiologicalmaterialsincludinggenes,cells,tissuesandevenentireorganisms.Cloninghasbeentriedoncattle,sheep,othermammalslikecat,deer,dog,horse,orrabbit,ratetc.Withthesuccessfulcloningof‘Dolly’,thesheepin1997,itisanticipatedthatsoonerorlater,scientistswouldbeabletoclonehumanbeings,toooritcouldbethattheyalreadyhave,butareconcealingitfromtheworld.
Therearethreetypesofcloning.FirstistheTherapeuticcloning,whichcreatesembryonicstemcells.Researchersusethesecellstogrowhealthytissuestoreplaceinjuredordiseasedtissueinthehumanbody.SecondisGenecloning,whichisalsoDNAcloning.Andthethirdandthemostcontroversialisthereproductivecloning,humancloningtobespecific.Humancloningisthecreationofageneticallyidenticalcopyofahuman.Humancloningisbelievedtobeunethicalandimmoralandsoitisbannedinmostofthecountriesandisequallyshunnedbyreligiousinstitutions.
Itisalsosobecausecloninghumansismoredifficultthanothermammalsandthesuccessrateisrelativelylow.Humancloning,beinganewandunexploredconceptcanprovetobeuncertaindependingonthekindofthementalandphysicaldevelopmentoftheclonedoffspring.Thus,italsoputsagreatpsychologicalburden.Humancloningalsocreatesquestionsaboutthesoul,theroleofGodinsocietyandeventhequalityoflifethataclonedpersonwouldhave.
Theprocessconvertsanaturalandsacredprocessofhumanprocreationintoamechanisedandbeastlyhumanmanufacturingindustry.ThatiswhyGeorgeWBushfirmlydisapprovesitsaying
“IstronglyopposecloningasdomostAmericans”.
Ontheotherhandtherapeuticcloningdoesnotattempttocreateanoffspringunnaturally.Itistheprocessinwhichstemcellsaretakenfromhumanembryoswhichareinturnusedtogeneratetissuesandorganswhichagaininturncanbeusedfortransplantation.So,therapeuticcloningisamuchbettertechnique.
Humancloningwouldcreatetheopportunityforaninfertilecoupletoexperiencethejoysofhavingafamilywithoutenduringthepainfulinfertilityprocedures.However,thebirthofdeformedchildren,inheritingcrucialdiseaseswouldbeanunbearableburden.Infact,theproductionof‘Dolly’thesheeprequiredatleast276failedattempts.Nooneknowswhytheseattemptsfailedandhowonesucceeded.
Humancloningthereforecouldnotbecomearealitywithoutextensivehumanexperimentation.Though276‘failed’lambsmaybeanacceptableloss,theethicalimplicationoffailedorpartiallysuccessfulhumanexperimentswouldbeunacceptable.TorestorethepeaceeventheUnitedNationsisinfavourofbanningalltypesofhumancloning.
ShortEssayonCloning200WordsinEnglish
BelowwehavegivenashortessayonCloningisforClasses1,2,3,4,5,and6.Thisshortessayonthetopicissuitableforstudentsofclass6andbelow.
EvenintheblockbustermovienamedKrish-3,itwasshownhowaclonedcharactersufferedfromparalysisorinactivebodypartsbelowchinarea.Andduetothisproblemhewasshowntohatehumansandinreturnavengeallthemankind.Andtherearemanymoreexamplesofsuchmoviesillustratingthehavocofcloning.
Cloning,thusasanewbranchofknowledgeandbiotechnology,isstillinitsprimarystage.Itwillhavetobeexploredmoredeeplyandtestedmorerigorouslytobecomeacceptable.Thuswiselyso,humanreproductivecloningisbannedforthetimebeingduetoitsdangerousimpositions,inefficientprocessesandethicalirresponsibility.
Thoughtilldate,anumberofspecieshavebeenclonedsuccessfully,yethumancloningpossesabigdilemmaandduetoitsprimitivenatureitseemstobemorepronetofailurethansuccess.Eveninthenovel‘Frankenstein’afterthecreationofan‘abnormal’humanbeingthescientisthimselffeltscaredanddisgustedandabruptlyranawayfromit,therebyabandoningit.
CloningEssayWordMeaningsforSimpleUnderstanding
Ventures–project,task
Rigorously–strictly
Concealing–hiding
Impositions–application,introduction
Sacred–holy,divine
Primitive–undeveloped,early
Procreation–toproduceorcreate
Disgusted–offended,sickened
Avenge–revenge,retaliate
Abruptly–suddenly,hastily,allatonce
Abandoning–leaving,deserting