Production of organisms like bacteria that contain the same piece of recombinant DNA is called:

Options

A. Gene cloning
B. Cell cloning
C. Organ cloning
D. All of these

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the production of organisms, specifically bacteria, that contain the same piece of recombinant DNA.

2. **Concept of Genetic Engineering**: Recognize that this process falls under the broader category of genetic engineering, which involves manipulating DNA to create modified organisms.

3. **Recombinant DNA Technology**: Understand that recombinant DNA technology is a method used to combine DNA from different sources. This technology allows scientists to insert specific genes into an organism's DNA.

4. **Insertion into Host Cells**: Once the recombinant DNA is created, it is inserted into a host cell (in this case, bacteria). This host cell will then replicate the recombinant DNA along with its own DNA during cell division.

5. **Definition of Cloning**: The process of producing multiple copies of a specific piece of DNA is known as cloning. Here, we are specifically referring to the cloning of genes.

6. **Final Answer**: Therefore, the production of organisms like bacteria that contain the same piece of recombinant DNA is called **gene cloning**.

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