How we cite our quotes: (Chapter.Paragraph)
Quote #10
Afterwards, geneticists had wryly demonstrated that—since each racial group was too small that unless their descendants intermarried, each would undergo deteriorative genetic drift due to inbreeding on the colony planet—the racists had made cross-breeding necessary to survival. (27.76)
As we've cracked open the human genome, most of what we'd consider "pure races" (emphasis on the scare quotes) are really just the result of millions of years of our ancestors moving about and breeding in not-so-pure ways. Our fragmented memory of the past is what constructs race more than anything. Here's hoping those space colonists don't forget that.