Of the little more than

Of the little more than 1% of clones that make it to term, most have severe abnormalities: malfunctioning livers, abnormal blood vessels and heart problems, underdeveloped lungs, diabetes, immune system deficiencies and possibly hidden genetic defects. Several cow clones had head deformities - none survived very long. It would be fair to say that experts are amazed in the few instances that cloning has worked.
BBC News - Cloning humans: Can it really be done? I do not understand the other arguments against cloning humans, but I understand this one.
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