搜搜考试网克隆技术的利与弊 （英文版）
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克隆技术的利与弊 （英文版）
克隆技术的利与弊 （英文版）
全篇文章,就在这网页
The advantages and disadvantages of human cloning.
Our members rate this:The advantages and disadvantages of human cloning A clone is when two or more living things have identical DNA and genes.There are 3 different ways of cloning living things; the first two are for cloning plants.The first way is to take a cutting from the plant you wish to clone and dip it in rooting hormone for the cutting to develop its roots then you replant it and you have a clone.The other way would be to collect a few cells from the plant or a tissue sample and grow it on a special type of jelly like substance that will grow the plant.Then you will end up with an exact copy,or clone.The final method is how to clone a mammal.It is called embryo transplanting.To do this the scientist would split up the embryo before the cells became specifically designed for a job.The split...继续
全篇文章,就在这网页
The advantages and disadvantages of human cloning.
Our members rate this:The advantages and disadvantages of human cloning A clone is when two or more living things have identical DNA and genes.There are 3 different ways of cloning living things; the first two are for cloning plants.The first way is to take a cutting from the plant you wish to clone and dip it in rooting hormone for the cutting to develop its roots then you replant it and you have a clone.The other way would be to collect a few cells from the plant or a tissue sample and grow it on a special type of jelly like substance that will grow the plant.Then you will end up with an exact copy,or clone.The final method is how to clone a mammal.It is called embryo transplanting.To do this the scientist would split up the embryo before the cells became specifically designed for a job.The split...继续