Looks like there have been almost 2000 pairs of such twins. https://www.theatlantic.com/science/archive/2018/05/twin-epigenetics/560189/ https://www.theatlanti

Looks like there have been almost 2000 pairs of such twins. https://www.theatlantic.com/science/archive/2018/05/twin-epigenetics/560189/ https://www.theatlantic.com/science/archive/2018/05/twin-epi...