Listening to the genome: music or noise?

DNA purification
Image: Mike Mitchell/National Institutes of Health

The following is an edited excerpt.

We have about 20,000 protein-coding genes. If you tally up the amount of DNA they constitute, you get less than 3 percent of the human genome. Which naturally raises the question of what’s in the other 97 percent.

While the basics of the human genome have been clear for decades, the particulars have remained murky. There’s no getting around the hard work of old-fashioned biology–of peering into cells to see what’s going on. And when scientists look in there, things get contentious.

Read the full story here: Listening to the Genome: Music or Noise?

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