Achondroplasia is a disease related to defect in the formation of

Options

A. Membrane
B. Cartilage
C. Mucosa
D. None of the above

Answer

**Step-by-Step Solution:**

1. **Understanding Achondroplasia**: Achondroplasia is a genetic disorder that affects bone growth. It is characterized by an abnormality in the development of cartilage, particularly in the long bones.

2. **Identifying the Options**: The question provides four options:
- A) Membrane
- B) Cartilage
- C) Mucosa
- D) None of the above

3. **Analyzing the Options**:
- **Membrane**: This does not relate to the primary defect in achondroplasia.
- **Cartilage**: This is the tissue that is primarily affected in achondroplasia, as the disorder involves a defect in the formation of cartilage at the epiphysis of long bones.
- **Mucosa**: This refers to the lining of various cavities in the body and is not related to achondroplasia.
- **None of the above**: This option is incorrect since option B is valid.

4. **Conclusion**: Since achondroplasia is specifically related to a defect in the formation of cartilage, the correct answer is option B.

5. **Final Answer**: The answer to the question is **B) Cartilage**.

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