せいべつ性別seibetsu
1.
The classification that distinguishes between male and female individuals, including both human genders and animal sexes.
2.
A categorization based on physical or biological characteristics that differentiate between males and females.
3.
The social or cultural identification and roles associated with being male or female, including the expectations and behaviors tied to each gender.
Example:
国籍や性別または職業などで人を差別してはいけない。