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Quick note about a Nature newsblog post which offers an interesting parallel between inflexional languages (like Finnish) and genes.
The order of genes on a chromosome seems to matter less than their context and the DNA suffixes that surround them: elements that flag the start of a gene and help control its activity, enhancers and repressors that likewise influence expression, and not forgetting the epigenetic codes that add meaning and depth to the sequence of genetic letters.
Actually, this behaviour of genes does not surprise me. It is a very good way to compress information in a small packet. As language does.