Which among the following has its own DNA?

Options

A. Mitochondria
B. Dictyosome
C. Lysosome
D. Peroxisome

Answer

To answer the question "Which among the following has its own DNA?" we will analyze each of the given options step by step.

### Step 1: Understand the Options
The options provided are:
1. Mitochondria
2. Dictiosome
3. Lysosome
4. Peroxisome

### Step 2: Analyze Mitochondria
- Mitochondria are known as the powerhouse of the cell because they generate ATP (adenosine triphosphate), which is the energy currency of the cell.
- Mitochondria are double membrane-bound organelles and are classified as semi-autonomous organelles.
- They contain their own DNA (mtDNA) and 70S ribosomes, which are similar to those found in prokaryotic cells.
- According to the endosymbiotic theory, mitochondria are believed to have originated from bacteria, which is why they have their own DNA.

### Step 3: Analyze Dictiosome
- The dictiosome is another name for the Golgi apparatus.
- The Golgi apparatus is involved in the packaging, sorting, and transport of proteins synthesized by the endoplasmic reticulum.
- It does not contain its own DNA.

### Step 4: Analyze Lysosome
- Lysosomes are membrane-bound organelles that contain hydrolytic enzymes.
- They are often referred to as the "suicidal bags" of the cell because they can digest cellular waste and macromolecules.
- Lysosomes do not have their own DNA.

### Step 5: Analyze Peroxisome
- Peroxisomes are also membrane-bound organelles that play a role in fatty acid metabolism and the detoxification of reactive oxygen species.
- Similar to lysosomes, peroxisomes do not contain their own DNA.

### Conclusion
After analyzing all the options, we can conclude that:
- **Mitochondria** is the only organelle among the options that has its own DNA.

### Final Answer
The correct answer is **Mitochondria**.

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