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建立人际资源圈Cloning
2013-11-13 来源: 类别: 更多范文
Cloning
A FUTURE OF CLONING
Let us discuss a future of cloning on animals and humans. We have heard about cloning for many years now. However, we did not know that they had actually been doing it, until they successfully cloned Dolly the sheep.
What is cloning'
Cloning is an organism, or group of organisms, derived from another organism by an asexual (non-sexual) reproductive process.
The word clone has been linked to cells as well as to organisms, so a group of cells stemming from one cell is called a clone.
The first successful clone of entire organism was an adult sheep named Dolly, cloned February of 1997 by Dr. Ian Wilmut and his team of scientists in Scotland. This was the first time ever that a mammal had been cloned from the cells of an adult sheep. Animals had been cloned before using the cells of developing embryos soon after they begin to form in the egg. The scientific breakthrough was accomplished by researchers in Edinburgh at the Roslin Institute, a center for genetic research of farm animals. The goal of their efforts is to improve animal breeding and create new health
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