Gene which suppresses other gene's activity but does not lie on the same locus is called as

Options

A. epistatic
B. supplementary
C. hypostatic
D. codominant

Explanation

To solve the question "Gene which suppresses other gene's activity but does not lie on the same locus is called as", we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**:
- We need to identify a specific type of gene that can suppress the activity of another gene, while not being located at the same position (locus) on a chromosome.

2. **Identify Key Terms**:
- **Suppresses**: This indicates that the gene in question has a regulatory effect on another gene.
- **Different Locus**: This means that the gene that is doing the suppressing is not located on the same chromosome position as the gene being suppressed.

3. **Consider the Options**:
- The options provided are:
- Epistatic
- Supplementary
- Hypostatic
- Co-dominant

4. **Analyze Each Option**:
- **Epistatic**: This term refers to a gene that can suppress the expression of another gene at a different locus. This fits the definition given in the question.
- **Supplementary**: These genes work together to produce a single trait but do not necessarily suppress each other.
- **Hypostatic**: This refers to the gene that is being suppressed by an epistatic gene, not the one doing the suppressing.
- **Co-dominant**: This refers to alleles that both express themselves fully in the phenotype, which does not relate to suppression.

5. **Conclusion**:
- The correct answer is **Epistatic** because it is defined as a gene that suppresses the activity of another gene located at a different locus.

### Final Answer:
The gene which suppresses other gene's activity but does not lie on the same locus is called **Epistatic**.

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