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Human embryo cloning should not be done because of the religious, moral, ethical, and social concerns that it places upon the human race. Although there may be some positive affects to cloning humans, there are far too many opposing factors in this situation. Many ....

Middle of Essay
.... identical cells arising from the culture of a single cell of a certain type, such as a human fibroblast or a rodent-human hybrid cell containing a full set of rodent chromosomes and a single human chromosome. Human embryo cloning starts with a standard in vitro fertilization procedure. Sperm and an egg cell are mixed together on a glass dish. After conception, the zygote (fertilized egg) is allowed to develop into a blastula (a hollow mass of cells). The zygote divides first into two cells, then four, then eight... A chemical is added to the dish to remove the “zona pellucida” covering; this material provides nutrients to the cells to promote cell ....