Anne Fausto-Sterling is an American sexologist who has written extensively on the social construction of gender, sexual identity, gender identity, gender roles, and intersexuality. She is the Nancy Duke Lewis Professor Emerita of Biology and Gender Studies at Brown University.

A hermaphrodite is a sexually reproducing organism that produces both male and female gametes. Animal species in which individuals are of different sexes, either male or female but not both, are gonochoric, which is the opposite of hermaphroditic.