Name four types of chromosomes on the basis of position of centromere.

Explanation

**Step-by-Step Solution:**

1. **Understanding Chromosomes:**
- Chromosomes are thread-like structures found in the nucleus of most living cells. They are composed of DNA and proteins.

2. **Identifying the Centromere:**
- The centromere is a constricted region of the chromosome that connects the two arms of the chromosome. Its position is crucial for classifying chromosomes.

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