A secondary sexual character is

Options

A. Breast
B. ovary
C. Testis
D. Thyroid

Answer

**Step-by-Step Solution:**

1. **Understanding Sexual Characteristics**: Sexual characteristics in humans are classified into primary and secondary sexual characteristics. Primary sexual characteristics are directly involved in reproduction, while secondary sexual characteristics are features that distinguish the sexes but are not directly involved in reproduction.

2. **Identifying Primary Sexual Characteristics**: In males, primary sexual characteristics include the penis and testis, while in females, they include the vagina and ovaries. These organs are essential for reproduction.

3. **Defining Secondary Sexual Characteristics**: Secondary sexual characteristics develop during puberty and are influenced by sex hormones. In males, testosterone leads to features such as a deeper voice and facial hair. In females, estrogen promotes the development of breasts and wider hips.

4. **Analyzing the Options**:
- Option A: Breast - This is a secondary sexual characteristic in females.
- Option B: Ovary - This is a primary sexual characteristic in females.
- Option C: Testis - This is a primary sexual characteristic in males.
- Option D: Thyroid - This is not a sexual characteristic.

5. **Conclusion**: Based on the definitions and analysis, the correct answer is Option A: Breast, as it is a secondary sexual character.