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When I first heard of cloning back in elementary I didnt know what it meant My teacher the told me that cloning was the exact copy of another human being or an exact copy of another animal I told her how awesome that sounded to have another copy of your self how cool is that right But she thought otherwise She told me how cloning has its benefits but how it is also immoralIn the medical dictionary cloning is defined as The transplantation of a nucleus from a somatic cell into an ovum which then develops into an embryo httpmedical-dictionarythefreedictionarycomCloning All started in July 5 1997 when Dr Ian Wilmut the Scottish scientist responsible for technique of craning he took an ovum from a female sheep sucked out the nucleus with its own DNA and then fused the ovum with a cell which had its own dna from the donor This produced a sheep named Dolly which was genetically identical to the original donor Even though Dolly was not the first animal to be cloned she was most important because she was the first to be cloned from an adult cell Ever Since 1997 gradual improvements in cloning technology have enabled researchers to clone a mouse cattle goat pig deer rabbit cat mule and horses They were all successful clones But what does this mean Is this good or bad Cloning has a very low fertility rate In cloning Dolly they used 277 eggs 30 started to divide nine induced pregnancy and only one survived to term Also Reproductive cloning is very expensive and inefficient More than 90 percent of cloning attempts fail to produce viable offspring This means that it takes many attempts to produce a perfectly alive clone Lets say the child knows it is the twin of a dead brother or sister What kind of pressures will he or she feel Knowing they were made as a direct replacement for another
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