On Fri, 9 Dec 2005, Jon Lincicum wrote: > it's not unthinkable that Dragaerans themselves even have them--in the > same proportions that we do--and that we have just never chanced to have > heard about them in the books. They are, after all, somewhat of a rarity > on this planet, as well. Apparently the rates are 2% for nonidentical (depending on external factors), 0.4% for identical (invariant). We must have met some hundreds of Dragaerans - of course, we wouldn't necessarily know if say Kragar has a sister.