Position of a gene on chromosome is called

Options

A. Locus
B. Factor
C. Cistron
D. Nucleosome

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the term that describes the position of a gene on a chromosome.

2. **Identifying the Options**: The options provided are:
- A) Locus
- B) Factor
- C) Stront
- D) Nucleosome

3. **Analyzing the Options**:
- **Locus**: This term refers to the specific location or position of a gene on a chromosome. It is the correct term for the position of a gene.
- **Factor**: This term generally refers to something that influences an event or situation, not specifically related to the position of a gene.
- **Stront**: This term is related to segments of DNA or RNA that contain information for protein synthesis, but it does not refer to the position of a gene.
- **Nucleosome**: This term refers to a structural unit of a chromosome, consisting of a segment of DNA wrapped around a core of histone proteins, but it does not indicate the position of a gene.

4. **Conclusion**: Based on the analysis, the correct answer is **A) Locus**, as it specifically denotes the position of a gene on a chromosome.

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