Final answer:
The eukaryotic chromosome element not required for proper genetic transmission is the protein-coding regions. While important for organismal function, they aren't crucial to the replication and segregation processes like origins of replication, telomeres, and centromeres are.
Step-by-step explanation:
The element that is NOT required for the proper transmission of genetic information in eukaryotes is protein-coding regions. Every chromosome contains essential regions necessary for DNA replication and cell division. These include origins of replication, where DNA synthesis starts; telomeres, which protect chromosomes from deterioration or fusion with neighboring chromosomes; and centromeres, which are essential for proper chromosome segregation during cell division.
It is important to note that while protein-coding regions do contain genes that are important for the organism's development and function, they are not required for the mechanical process of chromosome replication and segregation. In contrast, origins of replication, telomeres, and centromeres play crucial roles in maintaining chromosome integrity and ensuring that cell division proceeds correctly.