Let's not, the psychological definition, ...has more authority than the OED
n.1. the condition of being male, female, or neuter. In a human context, the distinction between gender and sex reflects the usage of these terms: Sex usually refers to the biological aspects of maleness or femaleness, whereas gender implies the psychological, behavioral, social, and cultural aspects of being male or female (i.e., masculinity or femininity).
2. in linguistics, a grammatical category in inflected languages that governs the agreement between nouns and pronouns and adjectives.
the American Psychological Association Dictionary of Psychology
As a follow up of my Satanism forum, I am starting a petition where, if successful, users on DART will be able to manually type their preferred gender, and religion.
The APA Commission on Accreditation (APA-CoA) is the primary programmatic accreditor in the United States for professional education and training in psychology. As such, it accredits programs, not institutions or individuals. APA-CoA accredits doctoral graduate programs in clinical psychology, counseling psychology, school psychology and combinations of these areas. The Commission also accredits doctoral internships in the aforementioned areas, as well as postdoctoral residencies in traditional (clinical, counseling, school) or specialty areas of health service psychology.
This is not a "new" idea.
Every dictionary does what you claim
Back to the two sex types, just mixed.
Well, at best, that only happens less than one percent, bio-genetically.