In contrast to the everyday experience of having a sibling, the occurrence of being born a twin is relatively uncommon. One study found that one in every 67 pregnancies ends up with twins or more. Could it be that getting a set of twins isn't as frequent as we thought? Additionally, not all twins are carbon copies of one another. Even though you share an identical genetic makeup, it's very uncommon for identical twins to go their separate ways, even if they happen to be famous. This mother of identical twins had no idea that her children would become renowned for this reason when she gave birth to them.