The Heterosexuals
In another universe that began as identical to ours, things proceeded on the parallel of Earth exactly as they unfolded here for the first three and a half billion years, a bit more than a billion years ago. It was only then that the paths of the two planets diverged ever so slightly.
On both Earth and its parallel, evolution stumbled upon s****l reproduction at exactly the same time. On Earth (as everyone here already knows), s****l reproduction (with the rarest of exceptions) involves two sexes, male and female. On Earth’s parallel, however, life took a slightly different course: s****l reproduction evolved to require three sexes. In the English of parallel Earth, these sexes are known as male, female, and hermale, and each person (with some rare, freak exceptions) is
