DNA element with ability to change its position is called :

Options

A. Cistron
B. Transposon
C. Intron
D. Recon

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the name of a DNA element that has the ability to change its position within the genome.

2. **Identifying Key Terms**: The key term here is "DNA element" and "ability to change its position." This suggests that we are looking for a specific type of genetic element known for its mobility.

3. **Exploring Genetic Elements**: In genetics, there are various elements such as genes, introns, and transposons. We need to focus on those that can move or change positions.

4. **Defining Transposons**: Transposons, also known as "jumping genes," are segments of DNA that can move from one location to another within the genome. This mobility is what characterizes them.

5. **Evaluating Other Options**:
- **Intron**: A non-coding region of mRNA that does not code for proteins. It does not have the ability to move.
- **Cistron**: A term used to describe a segment of DNA that codes for a specific protein. It is not known for mobility.
- **Raccone**: This term does not correspond to a known genetic element related to mobility.

6. **Conclusion**: Based on the definitions and characteristics of the elements discussed, the correct answer is "transposons."

**Final Answer**: The DNA element with the ability to change its position is called **transposon**.

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