echnologiesChapter13ChangingGenes?’-anisms.(b)TransformationwithDNAfragment(c)“herapy”“hybridvirus”;someviralDNA(red)maybeincorporatedintothehostcell’sDNA(blue).(red/blue).6Hostcellbursts,“hybridviruses”infectasecondcell,;hostcellDNAiscarriedby“hybridviruses.”Virusesareexpertatinsertingtheirgenesintolivinghosts.“GeneGun”Anothermethodofinsertinggenesintocellsisthebiolisticparticledeliversystem,or“genegun.”The“genegun”pressedairto“shoot”microscopicparticlescoatedwithDNAintocells.“Genegun”herapymayprovidewaystotreatsingle-“good”genesintocellsthathave“broken”’swhitebloodcells,essfullyproducedtheADAenzyme
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