The smallest segment of a gene which can undergo mutation is called

Options

A. Muton
B. Recon
C. cistron
D. Interferon

Answer

To solve the question "The smallest segment of a gene which can undergo mutation is called," we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks for the smallest segment of a gene that can undergo mutation. We need to identify the correct term that describes this segment.

2. **Identifying Key Terms**:
- **Mutation**: A mutation refers to a change in the DNA sequence of a gene.
- **Gene**: A gene is a segment of DNA that contains the instructions for making a protein.

3. **Reviewing Options**: The possible answers mentioned in the video transcript include:
- Muton
- Recon
- Cistron
- Interferons

4. **Analyzing Each Option**:
- **Muton**: This is defined as the smallest unit of mutation. It refers to the smallest segment of a gene that can undergo a mutation.
- **Recon**: This is a unit of recombination, not mutation.
- **Cistron**: This refers to a segment of DNA that codes for a single polypeptide, which is larger than the smallest segment that can mutate.
- **Interferons**: These are proteins involved in the immune response, not related to gene segments.

5. **Conclusion**: Based on the definitions and analysis, the correct answer to the question is **Muton**.

### Final Answer:
The smallest segment of a gene which can undergo mutation is called a **Muton**.

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