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Objection #2: Why Sequence the Junk?

Science  16 Feb 2001:
Vol. 291, Issue 5507, pp. 1184
DOI: 10.1126/science.291.5507.1184

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Summary

Genes and their corresponding proteins make up only a tiny fraction of the human genome. The other 98% of DNA sequence that does not code directly for proteins was once dismissed as "junk DNA." But scientists have discovered many riches hidden in the junk, and several researchers predict that some of the most intriguing discoveries may come from areas once written off as genetic wastelands.

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