A clone is an organism that is produced asexually from a single ‘parent’ to which the clone is genetically identical. Since it became quite popular in 1997 when Dolly the sheep was announced, there has been much discussion over the ethics and the benefits of being able to clone. There are two ways in which cloning can happen, called artificial embryo twinning, and somatic cell nuclear transfer, the former being a much older method of cloning. When an embryo spl...
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...either by splitting an embryo in its early stages, or by replacing the DNA of an egg. Cloning has a rich and extensive history, reaching as far back as the 1880s, and if horticulture practices are counted, even hundreds of years further back. Cloning can happen in two ways, either an embryo in its early development stages has its cells split away from each other creating individual cells and then those cells are allowed to develop on their own; or the nucleus from another cell is placed into an egg cell that does not contain DNA. It has many benefits and research in stem cells is bringing humans closer and closer to advanced medicine. However many would argue against it, some saying that it is immoral to tamper with nature, others worry that cloning might end up in the hands of someone who intends to use it as something like a vehicle or device for world domination.
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