BOOK REVIEW: Epigenetics: The Ultimate Mystery of Inheritance by Richard C. Francis

Review by Tina Hesman Saey

By Science News, 12:48 PM September 22, 2011

For more than 10 years, scientists have known nearly every letter in the human genetic instruction book. But perhaps more interesting than those letters are the doodles in the margins and the highlighted passages — chemical modifications to DNA and its associated proteins known as epigenetic marks. These scribbles may actually control how genes function, and thus how a person looks and acts. And these changes are passed along to future generations, like carbon copy overlays in new editions.


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