A genetic muscular disorder is

Options

A. osteoporosis
B. muscular dystrophy
C. myansthenia gravis
D. botulism

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for a genetic muscular disorder. We need to identify which of the given options is classified as such.

2. **Analyzing the Options**:
- **Option 1: Osteoporosis**: This is primarily a bone disorder characterized by decreased bone density and increased risk of fractures. It is not classified as a muscular disorder.
- **Option 2: Muscular Dystrophy**: This is a group of genetic disorders that lead to progressive weakness and loss of muscle mass due to abnormal genes affecting protein production necessary for muscle health.
- **Option 3: Myasthenia Gravis**: This is an autoimmune disorder that affects the communication between nerves and muscles, leading to weakness. It is not primarily genetic.
- **Option 4: Botulism**: This is a poisoning caused by the bacterium Clostridium botulinum, affecting the nervous system and leading to muscle paralysis. It is not a genetic disorder.

3. **Identifying the Correct Answer**: Among the options, only muscular dystrophy is a genetic muscular disorder characterized by progressive muscle weakness and loss of muscle mass due to abnormal genes.

4. **Conclusion**: Therefore, the correct answer to the question "A genetic muscular disorder is" is **Option 2: Muscular Dystrophy**.

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