HLA complex is associated with

Options

A. 9th chromosome
B. X-chromosome
C. 11th chromosome
D. 6th chromosome

Answer

**Step-by-Step Solution:**

1. **Understanding HLA Complex**: The HLA complex stands for Human Leukocyte Antigen. It is a crucial part of the immune system, which helps the body recognize foreign substances.

2. **Function of HLA**: The HLA complex plays a significant role in the immune response and is involved in autoimmune diseases. It helps in distinguishing between self and non-self cells.

3. **Identifying Chromosome Location**: The question asks which chromosome the HLA complex is associated with.

4. **Chromosome Options**: The options provided are:
- 9th chromosome
- X chromosome
- 11th chromosome
- 6th chromosome

5. **Correct Chromosome Identification**: The HLA complex is located on chromosome 6. This chromosome contains multiple genes that encode proteins essential for immune function.

6. **Conclusion**: Therefore, the correct answer to the question is the 6th chromosome.

---