New technique reveals unseen information in DNA code

This image shows the differences in chemical structure of the 5-methylcytosine (5mC) base (left) from the 5-hydroxymethylcytosine (5hmC) base in DNA against a background of DNA sequencing imagery. Imagine reading an entire book, but then realizing that your glasses did not allow you to distinguish "g" from "q." What details did you miss?

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