Unit 6 Me and Another me(Human Cloning)无忧PPT整理发布
Unit 6 Me and Another me (Human Cloning)
ScottishBlackfaceFinn-Dorset(CytoplasmicDonor)(NuclearDonor)DollyTheMammaryCellsEnucleationsheepDirectCurrentPulseBlastocystSurrogate无忧PPT整理发布eweDolly
Dolly ◼ The ◼ sheep
.6The nucleus from sheepB and the egg cell from sheepAFemalesheepAprovidesan egg cell.are joined using electricity.Thenucleus isremoved fromtheegg cell2Thecelldividesandgrows intoanembryo75The egg cell is readyforanewnucleus7Theembryo isputintofemalesheepC,whobecomestheFemaleshecpBprovidesasomaticcell fortheclone.4carrieroftheclone.Thenucleus of this cell contains all the genesneeded toThe lamb is the clone of thedonated cell fromSheepB9produceanew sheep.whichprovided the nucleus.SThenueleus istakenoutofthesomaticcell
micropipettecytoplasmDolly:The Cloning of a Sheep,nucleus1996DNAeggadult Finn Dorsetewecellremovedunfertilizedegg cellnucleusremovedegg celldonorFinn Dorset lambadult Scottish Blackface ewesnucleus("Dolly")donordonor cells removedfrom mammaryglandembryoimplantedOenucleated egg cellLsurrogatedonorcellsmother(nommalgrowthcycle)cytoplasmDNAdonor cells starvednucleusembryocellfusioncelldivisionfertillzationdonorcellelectricallow-nutrient culture mediumarrested growthcycle@2006EncyclopaediaBritannica,Incpulses
Human cloning可可英语
Human cloning