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What happens to chromosomes at the end of telophase and the beginning of late telophase/cytokinesis?
publish date: 2026/06/16 11:28:14.791936 UTC
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After chromosomes arrive at the poles during telophase, several changes occur as the cell completes division.
Select ALL events that occur at the end of telophase and during cytokinesis.
Correct Answer
(1) Nuclear envelopes reform around each set of chromosomes
(2) Chromosomes begin to uncoil
(3) The cytoplasm divides to produce two daughter cells
(4) The spindle apparatus breaks down
(5) Centrioles replicate (in animal cells)
Explanation
At the end of telophase and during cytokinesis:
- Nuclear envelopes reform around each chromosome set
- Chromosomes uncoil back to chromatin form
- Cytoplasm divides (cytokinesis) - pinching in animal cells; cell plate in plant cells
- Spindle breaks down
- Centrioles replicate in animal cells so each daughter cell has a pair
Chromosomes do not condense further at this stage - they are actively uncoiling.
Reference
Biology: A Self-Teaching Guide