Did I mention that the Draka are a master race who have conquered half the world and subjugated everyone else as slave-serfs with the utmost cruelty?
Naturally the Draka have some plans for their always-dangerous subjects ... (from "The Domination": Book 3, The Stone Dogs, p. 632).
She paused. "Just out of curiosity, what's planned fo' the serfs along these lines?"Naturally a wench-serf will be the surrogate mother.
He relaxed. "Oh, much less. That was debated at the highest levels of authority, an' they decided to do very little beyond selectin' within the normal human range. Same sort of cleanup on things like hereditary diseases. Average the height about 50 millimeters lower than ours.
"No IQs below 90, which'll bring the average up to 110. No improvements or increase in lifespan so they'll be closer to the original norm than the Race. Some selection within the personality spectrum: toward gentle, emotional, nonaggressive types. About what you'd expect."
"An' a chromosome change, so that they're not interfertile with us any mo'; the boys can run rampant among the wenches as always without messin' up our plans."
"Yes," she said again, interest drifting elsewhere. "When can we do it?"
"Tomorrow would be fine, Tetrarch. The process of modifyin' the ova is mostly automatic. Viral an' enzymic, actually . . . Tomorrow at 1000 hours?"