Answer:
Other than genes, chromosomes has following regions :
1) Centromere : It is the attachment point for spindle microtubules (heterochromatic)
2) Telomeres : These are the natural ends, the tips of linear chromosomes that has a role to stabilize the chromosome (Heterochromatic)
3) Intergenic regions : Intergenic DNA acts to control the genes nearby but it has not currently known function.
4) Origin of replication - It is the site where DNA synthesis begins (euchromatic)
Explanation:
