"Well, apart from the two hearts, we...she...really isn't that different from humans. A few extra codes in the DNA?" He peers over Owen's shoulder. "Though she was created, fully adult, by a machine. And she died. And was brought back by terraforming gases, if I'm correct. Because she didn't regenerate, not the normal way. So in short...I have no idea, she's unique, and I'm no help at all."