Twins: Nobody Said They Were Identical

July 31st, 2012 at 5:28 pm by Mark
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Twins are certainly not as rare as they used to be, occurring in approximately 1 in 300 births, but most are dizygotic — fraternal twins. Only around 31% of those twins are monozygotic — identical twins. Still, when you mentions twins, people automatically think of the more rare form: “But they don’t look anything alike!”


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