果q排毒效果怎麼樣

tocorrectlyevaluateandthinkaboutthisproblem,forthisreportervisitedthenationalhumangenomeresearchcenterofthesouthethical,legalandsocialdirectoroftheshanghaiacademyofsocialsciences,instituteofphilosophy,shenmingyinfellow.professorshensaid:since1997,theukroslininstitutesuccessfullycloned"dolly"thesheep,thefameandfortuneabroad,therehavebeendrivenin,andtriedtoengageinhumancloningresearch.althoughgovernmentsbanned,butthereportofhumancloninginrecentpresscoverageonmorethanoneoccasionoverthepasttwoyears.however,thespeedsofast,butalsoassociatedwiththecultreallyisappalling.
thosewhohavelosttheirbeloveddaughter'sparents,hopethatthroughcloningtechnologytomakehisdaughterbacktolife,thisfeelingisunderstandable.butifthescientiststoconducthumancloningexperiments,itisworthdiscussion.professorshensaid:evenifwebrushasidethecult,whichisundesirable.on"humancloning"thisindividualisconcerned,hewilllivein"iamadeadperson'scopy"ofsuchashadow,whichhewillhavethepsychologicalimpactofwhat?
inaccordancewiththeviewsofbioethics,scienceandtechnologyfromalong-terminterests,thebenefitofmankindasawhole.itmustfollowthe"dogood,notharm,autonomyandjustice"ofthesefourinternationallyrecognizedethicalprinciples."dolly"thesheep,afterthesuccessfulcloningofthefailureofmorethan200,deformityormortalityoccurredinthesheep.morecomplexandhumancloningwillundoubtedlyencountermorefailures,iftheproduceunhealthy,abnormalorshort-livedpeople,wouldbeaviolationofhumanrights.
professorshenpointedoutthat:itisnowthecloningofthescientificcommunityisdividedintotherapeuticcloningandreproductivecloningoftwo.theformeristheuseofembryonicstemcellcloningofhumanorgansformedicalresearchtoaddresstheshortageoforgantransplantdonor,whichistheinternationalscientificcommunityandtheethicsofcommunitysupport,butthereisapremisethattherapeuticcloningforembryonicpregnancycannotexceed14daysoftheboundaries.asforreproductivecloning,knownashumancloning,sinceit,ingeneral,contrarytoethicalprinciplesoflife,sothemainstreamviewofscientistsisstronglyagainstit.unesco,theworldhealthorganizationandtheinternationalethicscommitteeofthehumangenomeandgovernmentsareveryclearthatoppositiontoreproductivecloning.evenifhumancloningisreallythebirth,westillhavetoadheretothisbasicposition.

[editthisparagraph]克隆利anddisadvantages
fromnovember8,2000"wenweipo"text
wearetalkingaboutbiotechnology,themainadvantagesanddisadvantagesofcloningreferstoitsadvantagesanddisadvantagesofthe
lee:1)cloningtechnologyareabletoremovethosewhocannotbecomeamother,thesufferingofwomen.
2)theimplementationofcloningexperimentspromotedthedevelopmentofgenetics,inorderto"create"canbetransplantedintothehumanbodyopensuptheprospectofanimalorgans.
3)cloningtechnologycanalsobeusedtodetectfetalgeneticdefects.cloningofthefertilizedeggsforthedetectionofavarietyofgeneticdiseases,cloningofembryosandthedevelopingfetusinuteroisidenticaltogeneticcharacteristics.
4)cloningtechnologycanbeusedforthetreatmentofnervoussystemdamage.adults,thereisnoregenerationofnervetissue,butstemcellscanrepairthenervoussysteminjury.
5)invitrofertilizationandsurgery,doctorsoftenneedtobeanumberoffertilizedeggsimplantedintotheuterustodrawintothepregnancystageofscreening.however,manywomenonlyhaveoneeggforfertilization.throughcloningcansolvethisproblem.cloningoftheeggcellcanbecomemorethanusedforfertilization,whichgreatlyimprovedthesuccessrateofpregnancy.
disadvantages:1)cloningwillreducethegeneticvariation,arisingfromtheindividualthroughcloninghavethesamegenes,thesensitivityofthesamedisease,adiseasecandestroywholegroupsgeneratedbycloning.canimaginethat,ifacountry'scattleareaproductofthesameclone,avirusisnotseriousmaybethedestructionofthecountry'slivestockindustry.
2)theuseofcloningtechnologywillallowpeopletotendtoalargenumberofbreedingpopulationsofmostexistingusevalueoftheindividual,ratherthantheentirepopulationasanaturalprocesstopromotethesurvivalofthefittest.inthissense,cloningtechnologyinterfereswiththeprocessofnaturalevolution.
3)cloningtechnologyisanexpensivetechnology,requiresalargeamountofmoneyandprofessionalsinvolvedinbiotechnology,thefailurerateisveryhigh.dollyexperimentisonly277results.althoughthedevelopmentofmoreadvancedtechnology,thesuccessratecanonlyreach2-3%.
4)transgenicanimalstoincreasetheriskofdiseasetransmission.forexample,iftheproductionofadrugbovinemilkinfectedwithavirus,thevirusmaybeinfectedthroughthemilkofpatients
5)appliedtohumancloningwouldresultingenetictraitstofuturegenerationsofartificialcontrol.cloningtechnologyiscontroversialwhethertoallowthecoreoftheearlydevelopmentofgeneticmanipulationofhumanembryos.thisiswhatmanyethicistscannotaccept.
6)cloningtechnologycanalsobeusedtocreatea"superman",orhaveastrongphysicalpersonhasmentalretardation.moreover,ifcloningtechnologytoeffectiveuseinhumans,menhavelosttheirgeneticsignificance.
7)thecloningoftheimpactoffamilyrelationswillalsobeenormous.afather'schild-generatedcl

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