Organelle/organoid involved in genetic engineering is

Options

A. plasmid
B. mitochondrion
C. Golgi apparatus
D. lomasome

Explanation

### Step-by-Step Solution:

1. **Understanding Genetic Engineering**:
- Genetic engineering is the manipulation of genes in an organism. This involves altering the DNA segments that contain genes.

2. **Role of DNA in Genetic Engineering**:
- The process focuses on the DNA, which is the hereditary material in organisms. The goal is to produce desired effects by adding or deleting specific genes.

3. **Identifying the Organelle**:
- The organelle involved in genetic engineering is crucial for the manipulation of genes. In this context, we need to identify which organelle is used to transfer genes.

4. **Plasmids as Vectors**:
- Plasmids are small, circular pieces of DNA found in bacteria. They act as extra chromosomal DNA and are commonly used as vectors in genetic engineering to transfer desired genes into target organisms.

5. **Enzymes Used in Genetic Engineering**:
- Two key enzymes are involved in the process:
- **Restriction Enzymes**: These enzymes cut DNA at specific sites, allowing for the insertion of new genes.
- **Ligase**: This enzyme acts as a molecular glue, joining the ends of the DNA of interest and the plasmid DNA to create recombinant DNA.

6. **Conclusion**:
- The organelle involved in genetic engineering is the **plasmid**. It serves as a vehicle to transfer genes and is essential for creating recombinant DNA.

### Final Answer:
The organelle/organoid involved in genetic engineering is **plasmid**.