Whether a person develops a male or female sexual anatomy depends mostly on what aspect of hormones in early development?

A) testosterone levels
B) estrogen levels
C) the ratio of testosterone to estrogen
D) difference between morning and evening hormone levels

Hormones

Chemical messengers produced by glands in the body that regulate physiological processes and behavior.

Testosterone Levels

The concentration of the hormone testosterone in the body, which plays key roles in male development, reproductive function, and muscle mass.