Not necessarily true: https://www.livescience.com/24694-identical-twins-not-identical.html https://www.livescience.com/24694-identical-twins-not-identi... pap

Not necessarily true: https://www.livescience.com/24694-identical-twins-not-identical.html https://www.livescience.com/24694-identical-twins-not-identi... paper (PDF) : https://www.researchgate.net/profile/Constantin_Polychronakos/publication/257756275_Somatic_point_mutations_occurring_early_in_development_A_monozygotic_twin_study/links/56cef7d708ae85c823430b5d.pdf https://www.researchgate.net/profile/Constantin_Polychronako...