 How are citizens organized into different classes in society?
If I don't want to follow my aptitudes, the only choice is common labor. And because I have a B.S. in biology and an aptitude for dealing with people. With its population legally fixed at three hundred million, most of the country had become one big suburb, dotted with community centers and lined with narrow belts of industrial development. A class-C couple, allowed no children of their own, could get quite attached to a cat-Q-5. If allowed to reach age-set or adulthood, such a deviant could be dangerous to its owner or to others.
 By an analysis of their genes and heredity
 Through random assignment at birth  According to their socioeconomic status  After a lengthy interview with Anthropos upon reaching a specific age-set  By an analysis of their genes and heredity