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Endoreplication

Endoreplication is the replication of DNA during the S phase of the cell cycle without the subsequent completion of mitosis and/or cytokinesis. (Endoreplication is also known as endoreduplication.)

Endoreplication occurs in certain types of cells in both animals and plants. There are several variations:

  • replication of DNA with completion of mitosis but no cytokinesis.
  • repeated

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Meiosis

The Problem

Mitosis produces two cells with the same number of chromosomes as the parent cell. Mitosis of a diploid cell (2n) produces two diploid daughter cells. If