Jenny nodded, looking at him with a touch of sadness in her eyes before turning her attention back to the screen in front of her. In the process of their brief talk, she had already pulled out into orbit.

"It's a progenation machine. Takes cells from an individual and recombines them to create a new one. I was born on Messaline, where human and Hath were using them to fuel their war."

Jenny shrugged, glancing at him quickly again. She pulled on the yoke, guiding the ship into the hyperspace lane towards Dagobah.

"I was, um... I think you can say I was a mistake. As far as I know, progenation machines weren't used on Gallifrey."