Identical twins aren’t perfect clones, research shows – Hindustan Times

If you’re an identical twin who’s always resisted being called a clone of your sibling, scientists say you have a point.
Identical twins are not exactly genetically the same, new research shows.
Scientists in Iceland sequenced DNA from 387 pairs of identical twins — those derived from a single fertilized egg — as well as from their parents, children and spouses. That allowed them to find “early mutations that separate identical twins,” said Kari Stefansson, a geneticist at the University of Iceland…

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