In silent mutation , there is

Options

A. no change in base sequence
B. no change in protein type
C. change in chromosomal segment
D. change in amino acid sequence of protein

Answer

### Step-by-Step Solution:

1. **Understanding Silent Mutation**:
- A silent mutation is a type of mutation that does not result in a change in the amino acid sequence of a protein. This means that even though there may be a change in the DNA sequence, the final protein produced remains the same.

2. **Analyzing the Options**:
- **Option A**: No changes in the base sequence.
- This is incorrect because silent mutations involve a change in the base sequence, but it does not affect the protein.
- **Option B**: No changes in the protein type.
- This is correct. Since silent mutations do not alter the amino acid sequence, the type of protein remains unchanged.
- **Option C**: There is a change in the chromosomal segment.
- This is incorrect because while the DNA sequence may change, it does not necessarily imply a change in the chromosomal segment in a way that affects protein function.
- **Option D**: There is a change in the amino acid sequence of the protein.
- This is incorrect because silent mutations do not change the amino acid sequence.

3. **Conclusion**:
- The correct answer is **Option B: No changes in the protein type**. Silent mutations do not affect the functionality of the protein produced.