Here’s Why Human Sex Is Not Binary | Scientific American

May 1, 2023 ☼ gender

Source: Scientific American (Link)

The bottom line is that while animal gametes can be described as binary (of two distinct kinds), the physiological systems, behaviors and individuals that produce them are not. This reality of sex biology is well summarized by a group of biologists who recently wrote: “Reliance on strict binary categories of sex fails to accurately capture the diverse and nuanced nature of sex.”