Study Shows Where Identical Twins Part Ways - Science News
Identical twins aren’t perfect carbon copies of each other even at birth.Twins emerge from the womb carrying different chemical marks on their DNA that influence the activity of individual genes, a new study shows. Known as epigenetic markers (e.g. gene methylation), these alterations don’t change the underlying genetic information. But by regulating the activity of certain genes, they can profoundly influence how the DNA blueprint is used to create and operate a living organism.
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