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1、WhoGetstheGoodGenesInthe1932novelBraveNewWorld,AldousHuxleyenvisionedfuturechildbirthasaveryorderlyaffair.AttheCentralLondonHatcheryandConditioningCenter,inaccordancewithordersfromtheSocialPredestinationRoom,eggswerefertilized,bottledandputonaconveyorbelt.Ni
2、nemonthslater,theembryos一after"decanting”一werebabies.Thankstostate-sponsoredbrainwashing,theywouldgrowupdelightedwiththeirgeneticallyassignedsocialroles一fromclever,ambitiousalphastodim-wittedepsilonsEversincepublicationofHuxley'sdystopiannovel,thishasbeenthe
3、standardeugenicsnightmare:governmentsocialengineersubvertingindividualreproductivechoiceforthesakeofaneeriesocialefficiencyButastheageofgeneticengineeringdawns,themoreplausiblenightmareisroughlytheopposite:thatalaissezfaireeugenicswillemergefromthefreechoice
4、sofmillionsofparents.Indeed,theonlywaytoavoidHuxleyesquesocialstratificationmaybeforthegovernmenttogetintotheeugenicsbusiness.Huxley'sscenariomadesensebackin1932.SomeAmericanstateswereforciblysterilizingthe"feeble-minded”andHitlerhadpraisedthesepoliciesinMei
5、nKampfButthebiotechrevolutionthatHuxleydimlyforesawhasturnedthelogicofeugenicsinsideout.Itletsparentschoosegenetictraits,whetherbyselectiveabortion,selectivereimplantingofeggsfertilizedinvitroor一inperhapsjustafewyears一injectinggenesintofertilizedeggs.InHuxle
6、y'sdayeugenicshappenedonlybygovernmentmandate;nowitwilltakegovernmentmandate一abanongenetictinkering一topreventit.Anout-and-outbanisn'tinthecards，though.Whowouldtrytostopparentsfromensuringthattheirchilddoesn'thavehemophilia?Andoncesometreatmentsareallowed,dec
7、idingwheretodrawthelinebecomesdifficult.TheBishopofEdinburghtried.AfteroverseeingaBritishMedicalAssociationstudyonbioethics,heembracedgenetictinkeringfor"medicalreasons,"whiledenouncingthe"Frankensteinidea"ofmaking"designerbabies"withgoodlooksandahighIQ.Butw
8、hatisthedifference?Therapistsconsiderlearningdisabilitiestobemedicalproblems,andifwefindawaytodiagnoseandremedythembeforebirth,we'llberaisingscoresonIQtests.Shouldwetellparentstheycan'tdothat,th
