In all cells, separation of replicated chromosomes is a prerequisite for cell division. However, the mechanism of chromosome separation in bacteria is distinct from that in eukaryotes in several ways.
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-chromosomes replicate before cell division
- chromosome separation begins at the origin of replication on DNA
-before separation, duplicated chromosomes condense
-two copies of the duplicated chromosome are attached at their centromeres before separating
-replicated chromosomes separate by attaching to some other structural feature of the cell
-nuclear envelope fragments, permitting chromosome separation