"Pharming" is a term that describes-

Options

A. Animal used in transgenic research
B. Plants making genetically altered foods
C. Synthesis of recombinant drugs by bacteria
D. Synthesis of a protein drug in the milk of a transgenic animal

Answer

**Step-by-Step Solution:**

1. **Understanding the Term "Pharming":**
- The term "Pharming" is a combination of "farming" and "pharmaceuticals." It refers to the use of genetically modified organisms (GMOs) to produce pharmaceutical substances.

2. **Identifying the Options:**
- The question provides four options regarding what "Pharming" describes:
1. Animal use in transgenic research
2. Plant making genetically altered foods
3. Synthesis of recombinant drugs by bacteria
4. Synthesis of protein drug in the milk of the transgenic animal

3. **Analyzing Each Option:**
- **Option 1:** Animal use in transgenic research - This option does not specifically relate to the production of pharmaceuticals.
- **Option 2:** Plant making genetically altered foods - This option is more about agricultural biotechnology rather than pharming.
- **Option 3:** Synthesis of recombinant drugs by bacteria - While this is a form of biotechnology, it does not specifically refer to the production in animals.
- **Option 4:** Synthesis of protein drug in the milk of the transgenic animal - This option directly relates to pharming, as it involves using genetically modified animals to produce drugs in their milk.

4. **Conclusion:**
- Based on the analysis, the correct answer is **Option 4: Synthesis of protein drug in the milk of the transgenic animal**. This is exemplified by the case of "Rozy," a transgenic cow that produced milk enriched with alpha-lactalbumin, a protein beneficial for children.

**Final Answer:**
Pharming is a term that describes the synthesis of protein drug in the milk of the transgenic animal.

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