________ can be defined as biological differences in genetic composition and reproductive anatomy and function.

A) Sex
B) Gender
C) Gender identity
D) Sexual identity

Reproductive Anatomy

The system of organs and structures in the body involved in producing offspring, including the external and internal sex organs.

Genetic Composition

The unique arrangement of genes within an organism's DNA, determining its hereditary traits and characteristics.

Sex

A biological classification based on physical and physiological differences between male and female organisms, including reproductive functions.