Telophase – Class 11 | Chapter – 10 | Biology Short Notes Series PDF

Telophase: It is the fifth and final phase of mitosis, the process that separates the duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells. It begins once the replicated, paired chromosomes have been separated and pulled to opposite sides, or poles, of the cell. During this, a nuclear membrane forms around each set of chromosomes to separate the nuclear DNA from the cytoplasm. The chromosomes begin to uncoil, which makes them diffuse and less compact. Along with telophase, the cell undergoes a process called cytokinesis that divides the cytoplasm of the parental cell into two daughter cells.

Process During Telophase

  1. The identity of chromosomes as distinct elements is lost when they cluster at opposite spindle poles.
  2. Spindle fibers break down.
  3. To keep the nuclear DNA from the cytoplasm during telophase, a nuclear membrane and nucleoli develop around every pair of chromosomes.
  4. The uncoiling and decondensing of the chromosomes cause them to become less compact and more diffuse.
  5. The cytoplasm of the parental cell is split into two daughter cells during a process known as cytokinesis that occurs concurrently with telophase in the cell.

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