According to the World Health Organization, sex refers to biological characteristics that define humans as femaleAn organism, including humans, that has XX chromosomes and p... or maleAn organism, including humans, that has XY chromosomes and p....

It is based on parameters such as chromosomes, genitals and hormones to determine if a person has a male (male) or female (female) sex.

Although the current classification of biological sex is binary (male/female) there are people who are born with sexual characteristics that cannot be easily classified into one of the two categories, intersexAll situations in which the sexual anatomy of the individual... or intersex people.