外研版高中英语选修6module5cloning之一内容摘要：
插入宿主细胞 Unzip the DNA Cut out a sequence of genes Insert them into the host cell How can we clone something ? Cloning takes the DNA from a single cell to creat a whole individule. Para 2amp。 3 Carefulreading Find the expressions 方法 valid reasons an optional treatment unknown psychological pressure choose a path in life possess new vices existing virtues Para 4amp。 5 Valid reasons (advantages) Disadvantages As an optional treatment for couples who find it difficult to have children A c。阅读剩余 0%
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