Why do eukaryotic chromosomes use multiple origins of replication rather than a single one?
- A
Eukaryotic helicases unwind DNA too slowly without multiple cooperating starting sites
- B
Eukaryotic origins are inefficient and need backup sites to ensure replication completes
- C
Eukaryotic chromosomes adopted this strategy from bacteria for faster replication speed
- Dcheck_circle
Eukaryotic genomes are too large to copy from a single origin in a reasonable time
Explanation
Multiple origins replicate in parallel, so a 10⁹ bp human genome can be copied in a few hours.