---
title: "Secondary Sex Characteristics — AP Psych Definition & Guide"
description: "Secondary sex characteristics are puberty-triggered traits like facial hair or breast development that don't directly handle reproduction. Key for AP Psych Topic 6.7."
canonical: "https://fiveable.me/ap-psych-revised/key-terms/secondary-sex-characteristics"
type: "key-term"
subject: "AP Psychology"
---

# Secondary Sex Characteristics — AP Psych Definition & Guide

## Definition

These are traits that emerge during puberty but do not directly involve the reproductive system. They distinguish between sexes but don't play a direct role in reproduction. Examples include breast development in females and facial hair growth in males.

## Related Study Guides

- [6.7 Gender and Sexual Orientation](/ap-psych-revised/unit-6/gender-sexual-orientation/study-guide/Pf7J1XATsM8j76RPG8FS)

## Review

### Related Terms

- [Puberty](/ap-psych-revised/key-terms/puberty): The period of life when secondary sex characteristics develop and fertility is achieved.
- Androgens & Estrogens: Hormones responsible for developing secondary sex characteristics; Androgens typically influence male traits while estrogens influence female ones.
- Sexual Selection: A type of natural selection where certain traits increase an individual's chances of attracting mates.