Which of the following cells during gametogenesis is normally diploid?

Options

A. Primary polar body
B. Spermatid
C. Spermatogonia
D. Secondary polar body

Answer

To solve the question of which cell during gametogenesis is normally diploid, we will analyze the options provided: primary polar body, spermatids, spermatogonia, and secondary polar body.

### Step-by-Step Solution:

1. **Understanding Gametogenesis**:
- Gametogenesis is the process of forming gametes (sperm and eggs) through meiosis. It occurs in two main forms: spermatogenesis (formation of sperm) and oogenesis (formation of eggs).

2. **Analyzing the Options**:
- **Primary Polar Body**: This is formed during oogenesis after the first meiotic division. It is a haploid cell (n).
- **Spermatids**: These are the result of the second meiotic division in spermatogenesis. They are also haploid cells (n).
- **Spermatogonia**: These are the precursor cells in spermatogenesis. They are diploid (2n) cells that undergo mitosis to produce primary spermatocytes.
- **Secondary Polar Body**: This is formed during oogenesis after the second meiotic division. It is also a haploid cell (n).

3. **Identifying the Diploid Cell**:
- From the analysis, we see that the only diploid cell among the options is **spermatogonia**. The primary polar body, secondary polar body, and spermatids are all haploid.

4. **Conclusion**:
- Therefore, the correct answer to the question is **spermatogonia**, as it is the only cell listed that is normally diploid during gametogenesis.

### Final Answer:
**Spermatogonia** is the diploid cell during gametogenesis.

---