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Taking the 'Identical' Out of Identical Twins

Mar 12, 2008

Identical twins may not have identical DNA, says this New York Times article. According to new research published in the March issue of The American Journal of Human Genetics, scientists who studied genes of 10 pairs of identical twins found that not only do epigenetic changes abound, but copy number variations at the DNA level are also prevalent. "In the meantime, a lot of biology textbooks may need updating," says the Times story.

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