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atomfullerene t1_ixusr28 wrote

Reply to comment by bremstar in How can a feather keep it's color for so long, when other parts of many biological things tend to fade after they are no longer alive or part of said thing? by bremstar

They are both formed by skin cells laying down protein in precise patterns. The dna comes from the living cells at the root of the hair. For feathers, i suspect it similarly comes from cells or the remains of cells at the root and/or pulp of the feather

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