In meiosis, how many cycles of chromosome divison occurs?

Options

A. One
B. Four
C. Two
D. Three

Answer

To answer the question "In meiosis, how many cycles of chromosome division occur?", let's break it down step by step:

### Step-by-Step Solution:

1. **Understanding Meiosis**:
- Meiosis is a type of cell division that reduces the chromosome number by half, resulting in the formation of gametes (sperm and egg cells).
- It is also referred to as a reductional division.

2. **Chromosome Number**:
- In meiosis, the chromosome number in the daughter cells is half of that in the parent cell. This is crucial for sexual reproduction, as it ensures that when gametes fuse during fertilization, the resulting zygote has the correct diploid number of chromosomes.

3. **Cycles of Division**:
- Meiosis consists of two distinct cycles of chromosome division:
- **Meiosis I**: This is the first division where homologous chromosomes are separated.
- **Meiosis II**: This is the second division where sister chromatids are separated.

4. **Phases of Meiosis**:
- Each of these cycles (Meiosis I and Meiosis II) is further divided into phases:
- **Meiosis I**: Prophase I, Metaphase I, Anaphase I, Telophase I.
- **Meiosis II**: Prophase II, Metaphase II, Anaphase II, Telophase II.

5. **Conclusion**:
- Since there are two cycles of division in meiosis, the answer to the question is **2**.

### Final Answer:
In meiosis, there are **2 cycles of chromosome division**.

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