The Windup Girl is a biopunk science fiction novel by American writer Paolo Bacigalupi. It …
She is an animal. Servile as a dog. And yet if he is careful to make no demands, to leave the air between them open, another version of the windup girl emerges. As precious and rare as a living bo tree. Her soul, emerging from within the strangling strands of her engineered DNA.
He wonders if she were a real person if he would feel more incensed at the abuse she suffers. It's an odd thing, being with a manufactured creature, built and trained to serve. She herself admits that her soul wars with itself. That she does not rightly know which parts of her are hers alone and which have been inbuilt genetically.