Which of the following is an example of a primary sex characteristic?
A)changes in vocal tone
B)growth of the breasts
C)growth of the genitals
D)growth of facial hair

Question

Quizplus · Accepted Answer

Primary sex characteristics are the physical features that distinguish males and females, and are directly involved in reproduction. The growth of genitals is a primary sex characteristic, because they are the organs involved in sexual reproduction. Changes in vocal tone, growth of breasts, and growth of facial hair are all secondary sex characteristics, which are not directly involved in reproduction, but are instead related to physical differences between males and females.

Which of the Following Is an Example of a Primary