It is impossible to make an exact copy of any object, living or not.
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References
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Daffertshofer, A., Plastino, A. R. & Plastino, A. Classical no-cloning theorem. Physical Review Letters 88, 210601, (2002).
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Ball, P. Physics bans cloning. Nature (2002). https://doi.org/10.1038/news020520-1
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DOI: https://doi.org/10.1038/news020520-1