The ultimate genetic modification nightmare - you really don't want to live in a world like this. Except for the fact that you will meet people and robots who are completely indomitable, and despite everything, they decide to die on their feet rather than live on their knees. When the denouement comes, you will want to cheer.
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. Does her eagerness to serve come from some portion of her canine DNA that makes her always assume that natural people outrank her for pack loyalty? Or is it simply the training that she has spoken of?