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1、pÉÅçåÇ=bÇáíáçåh~êîáí~=_K=^Üäìï~äá~cçêãÉêäó=mêçÑÉëëçêcçêãÉêäó=mêçÑÉëëçê`Éää=_áçäçÖó=~åÇ=bäÉÅíêçå=jáÅêçëÅçéÉ=pÉÅíáçåaÉé~êíãÉåí=çÑ=_áçéÜóëáÅë^ää=fåÇá~=fåëíáíìíÉ=çÑ=jÉÇáÅ~ä=pÅáÉåÅÉëkÉï=aÉäÜáI=fåÇá~=Copyright©2009,1985,NewAgeInternational(P)Ltd.,PublishersPubl
2、ishedbyNewAgeInternational(P)Ltd.,PublishersAllrightsreserved.Nopartofthisebookmaybereproducedinanyform,byphotostat,microfilm,xerography,oranyothermeans,orincorporatedintoanyinformationretrievalsystem,electronicormechanical,withoutthewrittenpermissionofth
3、epublisher.Allinquiriesshouldbeemailedtorights@newagepublishers.comISBN(13):978-81-224-2880-3PUBLISHINGFORONEWORLDNEWAGEINTERNATIONAL(P)LIMITED,PUBLISHERS4835/24,AnsariRoad,Daryaganj,NewDelhi-110002Visitusatwww.newagepublishers.comDedicatedtoMyParentsThis
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Inviewofthedramaticadvancesinthisrapidlyprogressingfield,Geneticshasbeenupdatedtopresentthemostcurrentinformationavailable.About22yearsagowhenthefirsteditionwasprinted,recombinantDNAtechnologywasanemergin
5、gfield,beginningtofinditswayintomolecularbiologylaboratories.Overtheyears,theinventionofnewtechnologieshaveexpandedrecombinantDNAtechnologysignificantly.Thesequencingofwholegenomes,notonlyofprokaryotesandeukaryotes,evenhumanshasbeenachievedsuccessfully.In
6、thescenariothatnowexists,sophisticatedtechniqueshavebecomemoreandmoreroutineandavailableinmanyresearchlaboratories.Bioinformaticshasmadeinroadsinto,andbecomeanintegralcomponentofmolecularbiologyresearch.Itisnowtimetodevelopnewapproachesforelucidatinggenef
7、unctionandprocessesinvolvedinrunningthemetabolicmachineryofthewholecell.WhilemodifyingtextforthesecondeditionofGenetics,thesequenceofchaptershasnotbeenchangedsothatthechronologicalorderofdevelopmentsinthefieldiskeptinplace.Iconsidertopicsinclassicalgeneti
8、csnotasmerehistoricallandmarks.WecannotunderestimatetheworkofGregorMendelwhodiscoveredheterozygosity,anddominantversusrecessivetraits;cytologistswhoexplained“stickyends”inchromosomes;andgeneticistswhomadelinkageandr
