Largest human gene for .dystropin. has

Options

A. 1.4 million bases
B. 30,000 bases
C. 2.4 million bases
D. 2968 bases

Answer

To solve the question regarding the largest human gene for dystrophin, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: The question asks for the size of the largest human gene, which is dystrophin, in terms of the number of bases it contains.

2. **Know the Average Gene Size**: It's important to note that the average gene consists of about 3000 bases. However, gene sizes can vary significantly.

3. **Identify the Largest Human Gene**: The largest human gene is known to be dystrophin. This gene is crucial for muscle function and is associated with Duchenne muscular dystrophy.

4. **Determine the Size of Dystrophin**: The dystrophin gene is notably large, and it contains approximately 2.4 million bases.

5. **Select the Correct Option**: Based on the information that dystrophin has 2.4 million bases, you can conclude that the correct answer to the question is option C, which states that dystrophin has 2.4 million bases.

### Final Answer:
The largest human gene for dystrophin has **2.4 million bases** (Option C).

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