First, usually "sex" refers to biological characteristics, and "gender" refers to social and cultural characterizations; usually self-characterizations.
Second, there are many different genders. Also, there are at least three different sexes: female, male, and intersex.
Third, what would more sexes even look like? We have everything we need to procreate; why would we evolve anything more, less, or different?
Second, there are many different genders. Also, there are at least three different sexes: female, male, and intersex.
Third, what would more sexes even look like? We have everything we need to procreate; why would we evolve anything more, less, or different?
