Where is the centromere located on the chromosome, and what is its role? 1. It is not exactly at the center, and it always makes the p-arm longer than the q-arm.
2. It is exactly at the center and it is responsible for making the q-arm longer than the p-arm.
3. It is not exactly at center, and it attaches to spindle fibers during cell division.
4. It is exactly at the center, and it attaches to spindle fibers during cell division.