People with any of the specific variations on the theme of biological sex are referred to as

A) gays or lesbians.
B) intersex individuals.
C) bisexuals.
D) transvestites.

Intersex individuals are those who have atypical combinations of male and female biological characteristics, such as variations in chromosomes, hormones, genitals, or reproductive systems. The other answer choices refer to different aspects of sexual orientation or gender identity, which are distinct from biological sex.