A major new study in 2015 reported evidence of epigenetic,which refers to a functional change to DNA that does not alter the genetic code itself,but leads to changes in gene expression.

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The statement accurately describes epigenetics, which is the study of changes in gene expression that do not involve alterations to the DNA sequence itself. The term "epigenetic" refers to modifications of the DNA molecule that can influence the way that genes are turned on or off, leading to changes in cellular function and even disease risk. A major study in 2015 highlighted the role of epigenetic changes in a range of biological processes, including development, aging, and disease.

A Major New Study in 2015 Reported Evidence of Epigenetic,which