document updated 14 years ago, on Mar 25, 2010
cisgender people
The "nature or nurture" question comes up frequently when discussing gender.
"Gender essentialism" is the idea that there are some traits that are determined by nature.
(there are obvious physical differences between men and women, but these discussions usually focus on whether there are psychological differences that are caused by nature)
transexual people
As with sexual orientation, there's interest in trying to understand whether there are any aspects of transgender identities that are shaped by biology.