Choose the correct statement:

Options

A. Genes are located in the chromosomes
B. Cell is located in the nucleus.
C. Chromosomes are located in the nucleolus.
D. Cell membrane surrounds the nucleus.

Answer

To solve the question "Choose the correct statement," we will evaluate each of the provided statements one by one.

### Step-by-Step Solution:

1. **Evaluate the First Statement:**
- **Statement:** "Genes are located in the chromosomes."
- **Analysis:** This statement is correct. Genes are indeed segments of DNA that are found within chromosomes. Chromosomes are structures within the cell that contain genetic information.
- **Conclusion:** This statement is true.

2. **Evaluate the Second Statement:**
- **Statement:** "The cell is located in the nucleus."
- **Analysis:** This statement is incorrect. The nucleus is a part of the cell, not the other way around. The nucleus is an organelle within the cell that contains the cell's genetic material.
- **Conclusion:** This statement is false.

3. **Evaluate the Third Statement:**
- **Statement:** "Chromosomes are located in the nucleolus."
- **Analysis:** This statement is also incorrect. Chromosomes are located in the nucleus, while the nucleolus is a structure within the nucleus that is primarily involved in ribosome production.
- **Conclusion:** This statement is false.

4. **Evaluate the Fourth Statement:**
- **Statement:** "Cell membranes surround the nucleus."
- **Analysis:** This statement is incorrect. The nucleus is surrounded by a nuclear membrane (or nuclear envelope), not a cell membrane. The cell membrane surrounds the entire cell, while the nuclear membrane specifically surrounds the nucleus.
- **Conclusion:** This statement is false.

### Final Conclusion:
After evaluating all the statements, we find that only the first statement is correct. Therefore, the correct answer is: **"Genes are located in the chromosomes."**

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