Accessory sex character is

Options

A. Beard
B. Breast
C. Moustaches
D. All the above.

Answer

**Step-by-Step Solution:**

1. **Understanding Accessory Sex Characteristics**: Accessory sex characteristics refer to the secondary sexual traits that develop during puberty in males and females. These traits are influenced by sex hormones.

2. **Identifying the Hormones**: In males, the primary hormone responsible for the development of these characteristics is testosterone. In females, it is estrogen.

3. **Examples of Accessory Sex Characteristics**:
- In males:
- Beard
- Mustache
- Adam's apple
- In females:
- Development of breasts
- Broadening of the pelvis

4. **Analyzing the Options**:
- A. Deer: This is not a characteristic but an animal.
- B. Breast: This is an accessory sex characteristic in females.
- C. Moustache: This is an accessory sex characteristic in males.
- D. All of the above: This option includes both breasts and mustaches, which are accessory sex characteristics.

5. **Conclusion**: Since both breasts and mustaches are indeed accessory sex characteristics, the correct answer is option D, "All of the above."

**Final Answer**: D. All of the above.

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