“It is quietly accepted in the scientific community that the advent of sexual reproduction is likely the greatest unsolved mystery in biology. The fact that Darwinism has no credible answer for the origin of sex (typically asking only why sex would have been advantageous) presents an insurmountable challenge to the theory of evolution. I highly recommend this book by F. LaGard Smith, whose careful research demonstrates that he understands the crucial issues surrounding the missing sex link, and who has a remarkable ability to communicate complex concepts to a broad audience.”
— Geoff Barnard PhD MA, Retired Reproductive Endocrinologist and
Cambridge University Research Scientist
Read more about that in this book, Darwin’s Secret Sex Problem: http://www.adamsprgroup.com/darwins-secret-sex-problem-by-f-lagard-smith.html