"Sort of. We're genetically identical, which means we come from the same source, I guess you'd call it. But the two of them have the same surrogate mother. They were in the womb together, like regular twins you'd get the natural way. They were split up after they were born. My mother was a different person. My parents, they didn't have any more idea than I did I had sisters running around out in the world."

Cosima's worried she's explaining this poorly, but she's not sure how much or how little detail is helpful in this context.