PBS
Pbs Learning Media: The Advantage of Sex: Sexual Versus Asexual Reproduction
Why did sex evolve? The likely answers, in this essay written for the PBS series "Evolution" by science journalist Matt Ridley, may surprise you.
University of California
University of California Museum of Paleontology: Genetic Shuffling
An article describing how new heritable characteristics can result from the genetic shuffling that occurs during sexual reproduction.