The differences in male and female secondary sexual traits are due to the _____.
A) relative proportion of sex steroid hormones in males versus females
B) production of different sex steroid hormones by males and females
C) differences in sex steroid hormone receptors in males versus females
D) exposure to environmental toxins during fetal development
E) absence of sex steroid hormones in females

Question

Quizplus · Accepted Answer

The differences in male and female secondary sexual traits are primarily due to the relative proportion of sex steroid hormones, such as testosterone and estrogen, which differ between males and females.

The Differences in Male and Female Secondary Sexual Traits Are