Helen Knight | MIT News correspondent

The sequencing of the human genome laid the foundation for the study of genetic variation and its links to a wide range of diseases. But the genome itself is only part of the story, as genes can be switched on and off by a range of chemical modifications, known as “epigenetic marks.”

Now, a decade after the human genome was sequenced, the National Institutes of Health’s Roadmap Epigenomics Consortium has created a similar map of the human epigenome.
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