cloning-研究生英语课件.ppt
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1、Cloning Cloning Question:Suppose human being cloning is lawful and feasible,do you wish yourself to be cloned?Why or why not?Cloning in biology is the process of producing populations of genetically-identical individuals that occurs in nature when organisms such as bacteria,insects or plants reprodu
2、ce asexually.a strand of haira strand of ropea strand of pearlsfertilize:1)To cause the fertilization of(an ovum,for example).使（如卵子）受精、受胎to fertilize an egg 2)To make(soil,for example)fertile:使肥沃：Compost fertilizes the soil.堆肥使土地肥沃preoccupied:I tried to speak to Bella,but he has seemed a little preoccupied.Rods preoccupied with all the wedding preparations at the moment.
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