2019学年度人教版选修八Unit2Cloning Period1Warming up课件(36张)
2019学年度人教版选修八Unit2Cloning Period1Warming up课件(36张)第3页

Clone?

Natural clone

Man-made clone

Natural clone is one that occurs from the “parent ” in a natural form of cloning without human help.

Man-made clone is one produced through human intervention(介入) .