Which types of division take place during second maturation?
(a) Reduction division
(b) Equational division
(c) Amitosis
(d) None

Options

A. Reduction division
B. Equational division
C. Amitosis
D. None

Answer

To answer the question "Which types of division take place during second maturation?", we need to analyze the process of gametogenesis and the types of cell divisions involved.

### Step-by-Step Solution:

1. **Understanding Gametogenesis**:
- Gametogenesis is the biological process that leads to the formation of male and female gametes (sperm and egg cells) in organisms.

2. **Identifying the Initial Division**:
- The process starts with a diploid germ cell (2n), which undergoes the first meiotic division, known as meiosis I. This division is called a **reduction division** because it reduces the chromosome number by half, resulting in two haploid cells (n).

3. **Second Maturation Division**:
- After meiosis I, the two haploid cells then undergo a second meiotic division, known as meiosis II. This division does not reduce the chromosome number further but separates the sister chromatids of each haploid cell.

4. **Type of Division in Meiosis II**:
- Meiosis II is similar to mitosis and is referred to as an **equational division** because it maintains the haploid number of chromosomes (n) in the resulting gametes.

5. **Conclusion**:
- Therefore, during the second maturation (meiosis II), the type of division that takes place is **equational division**.

### Final Answer:
(b) Equational division