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Wednesday, April 17, 2019

Scientists clone sheep Essay Example | Topics and Well Written Essays - 1000 words

Scientists clone sheep - Essay Exampley that, but chicks birth created a huge reaction all over the world as it led people to think of the porta of human cloning (Rantala and Milgram 1). But still, Dollys birth remains a landmark attainment for both, the scientists who were responsible for it and for the world of science.Cloning can be defined as a laboratory summons in which the nucleus from the somatic(body) cell is transferred or transplanted into an globe cell from which the original nucleus has been removed ( Saunders 131). In the process of cloning, the organisms that are genetically identical to each other and to parent are obtained using neuter reproduction (Dale and Schantz 25). Even though clones are genetically identical, they are not identical in essential appearance and behavior as it the external factors like environment that influences their behavior (Dale and Schantz 25). In case of Dolly, as her cytoplasm came from a economical Blackface ewe, she was not an i dentical twin to her cell donor receive (Campbell 58).Scottish embryologist Ian Wilmut headed the team at the Roslin Institute in Edinburgh which produced Dolly (Kunich 7). Dolly, the cloned sheep was born on July 5, 1996 (Kunich 7). Previously, the mammals had been cloned using early immature cell, but Dolly was the first to be cloned from fully differentiated adult somatic cells (Kunich 7). The birth of Dolly proved wrong the 100 year old dogma that once cells are committed to adulthood, they cannot again be totipotent (Wilmut, Campbell and Tudge 209).3. The embryonic development is started by jump-starting the activation of the cell division cycle of egg with the new nucleus (Baldi 51). The developing embryo can then be implanted into foster mother

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