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Identical Twins: Just How Genetically Alike Are They?

It depends on how deep you look into the DNA, according to new research.

By Avery Hurt
Mar 3, 2021 9:00 PMMar 3, 2021 10:00 PM
Twin sisters - shutterstock
(Credit: Lopolo/Shutterstock)

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Identical twins are...identical, right? That’s why we call them "identical" and not "uncannily similar" or "a heck of a lot alike." In reality, it’s a bit more complicated.

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