Daniel Suarez - Variation Quotes

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Sexual reproduction exists solely as a means to defeat parasites. By mixing male and female genes, sex produces offspring not exactly like either the male or female—making each generation different from the last, and presenting a moving target to intruders intent on compromising this system. … Even with this variation, parasites continue to pose a threat... and parasitism evolves and moves through any system—not just living things. The less variation there is in a system, the more readily parasites will evolve to infest it...

Daniel Suarez

Animal behavior has evolved to battle parasites. In fact, we have parasites to thank for the existence of sex. Sex is a costly and time-consuming method of reproduction. Experiments have shown that, in the absence of parasites, species evolve toward parthenogenesis—or cloning—as the reproductive method of choice. In parthenogenesis each individual is able to self-replicate. But this produces almost no genetic variation. In the presence of parasites, cloning, while more energy-efficient, is not a viable reproductive strategy. It presents a stationary genetic target to parasites, who, once introduced into such a system, will quickly dominate it....

Daniel Suarez