Spearmann thought of cloning as a way to study cell differentiation. Briggs and King used the technique of nuclear transfer on amphibians and it was successful (Campbell). “Subsequently John Gurdon demonstrated the potential to reprogram differentiated cells by producing adult Xenopus using epithelial cells from developing tadpole intestine as nuclear donors,” says Alberio Campbell. Unfortunately, later studies show that this method of cloning tadpoles didn’t allow them to develop to the adult stage of life (Campbell). “The use of enucleated metaphase II oocytes as recipient cytoplasts proved more successful and in 1986 resulted in the production of live lambs using blastomeres from 8 to 16-cell stage embryos as nuclear donors,” says Campbell. This success in sheep was also used on other mammals such as cattle and swine. There were limitations to the technology. First, the “frequency development was very low”...
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...caust." United States Holocaust Memorial Museum. United States Holocaust Memorial Council, 10 June 2013. Web. 07 Apr. 2014.
Ricci, Mariella Lombardi. "Assisted Procreation And Its Relationship To Genetics And Eugenics." Human Reproduction & Genetic Ethics 15.1 (2009): 9-29. Academic Search Complete. Web. 9 Apr. 2014.
Riddle, James A. "Brave New Beef: Animal Cloning And Its Impacts." Brown Journal Of World Affairs 14.1 (2007): 111-119. Academic Search Complete. Web. 21 Mar. 2014.
United States. The Departments of Administration, Cultural Resources and Health and Human Services. Executive Order 83. The Governor’s Task Force To Determine The Method Of Compensation For Victims Of North Carolina’s Eugenics Board. Dr. Laura Gerald, Aug. 2011. Web. 7 Apr. 2014.
Wade, Nicholas. "The Clone Named Dolly." The New York Times. The New York Times, 13 Oct. 2013. Web. 21 Mar. 2014.
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