However, we must differentiate between the scientific definition and the definition of the general public.
In fact, when we talk about cloning in the general public, they immediately think about the technique is to create an individual with the help of stem cells. While scientists speak of clones from the moment two cells have the same genetic heritage. They distinguish between clone "in vivo" when it comes to individuals and clones "ex vivo" when it is simply cells.
Thus according to the scientific definition, contrary to what we may think, cloning is something that has existed for a long time and is widely practiced in nature. Indeed, for example in humans, the cells renew themselves by multiplying at the same: it’s the mitosis.
After fertilization, we can also observe the phenomenon of cloning: Initially there is a cell that makes mitoses then each cell specializes in a spot to give cells in the heart, brain, eyes… Cloning is a completely natural phenomenon.
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