Originally Posted by Louden Wilde
I'm not sure what it would take to convince me that sex is a spectrum. I've seen the Quigley scaleWP
and that convinces me that genital morphology is indeed a spectrum, but I tend to think of sex as an evolutionary adaptation which facilitates reproduction of individuals. Since these individuals have to contribute different sex cells (oocytes and spermatozoa in our species) I'd say the process
of sexual reproduction is rooted in a binary at the gamete level.