新课标人教版课件系列高中英语选修( 模块）8-2.7Unit 2 Cloning warming up and speaking Do you enjoy watching TV series ?Have you ever seen Journey To The West ? What is clone ? Clone, also called reproduce asexually ( 无性生殖 / 繁殖) , is the creation of cells or whole animals using DNA from a single “parent”, without using the normal reproductive ( 有性生殖) process. The clone has the same DNA to the parent.cloneNatural cloneMan-made cloneNatural clone is one that occurs from the “parent ” in a natural form of cloning withou
