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by Someone 2711 days ago
”The skin cell has instructions to make a bone cell, but skin cells do not make use of that part of the code.”

The scary thing is that it may require only a small change to change that. Muscle cells also have instructions to make bone and do not make use of that code, except when things go wrong as in https://en.wikipedia.org/wiki/Fibrodysplasia_ossificans_prog...