 That's called the inner mass. You have the mass of cells of you, inner mass into her egg. And so the cells that's in her egg will form the placenta. That was how they couldn't get monkeys or humans to be a clone. The placenta didn't want to join up with the embryo when it was a different genetic code being put in. And so now they let the cells that are from the original egg, it's like a bridge that connects the placenta to your new growth. So now you can