 Wysłany: Czw 14:07, 27 Sty 2011 Temat postu: jordan heels 2011| |
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| to become X is not the ontological equivalent of actually being X, nor does it spawn moral and ethical rights and obligations pertaining to X. The transition from potential to being is not trivial, nor is it automatic, or inevitable jordan heels 2011, or independent of context. Atoms of various elements have the potential to become an egg (or, for that matter kids boots clearance, a human being) - yet no one would claim that they ARE an egg (or a human being), or that they should be treated as one (i.e., with the same rights and obligations).Moreover uggs outlet sale, it is the donor nucleus embedded in the egg that endows it with life - the life of the cloned baby. Yet, the nucleus is usually extracted from a muscle or the skin. Should we treat a muscle or a skin cell with the same reverence the critics of cloning wish to accord an unfertilized egg?Is This the Main Concern?The main concern is that cloning - even the therapeutic kind - will produce piles of embryos. Many of them - close to 95% with current biotechnology - will die. Others can be surreptitiously and illegally implanted in the wombs of "surrogate mothers".It is patently immoral, goes the precautionary argument, to kill so many embryos. Cloning is such a novel technique that its success rate is still unacceptably low. There are alternative ways to harvest stem celyilai:
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