<Foone> The person is intersexed (XXY) but physically male. He lived his whole life without knowing, but when they were trying to resurrect him through cloning they discovered the double X.
<Foone> and somehow were able (I think psychics were involved) to discover that he felt happier when thinking of himself as female
<Foone> so they corrected it to XX instead of XY
<Foone> I don't know, I think this author might just fail biology
<Foone> for one thing Wikipedia says that you'd be "effectively sterile"
<Foone> but the book person had kids during his male life (and his female life, but that was post-genetic modification)
<Foone> I'm willing to overlook the genetic weirdness, given that it takes place in a world where they can (non-magically!) resurrect people who've had their spine ripped out by alien grizzly bears