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Two key events take place during S phase...

Two key events take place during S phase in animal cells, DNA replication and duplication of centriole. In which parts of the cell these events occur ?

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Replication of DNA takes place in nucleus and doubling of centriole is seen in cytoplasm. Centriole forms spindle fibre during cell division in animal cell which controls chromosomal movement in a cell. The location of centriole determines location of nucleus and plays a key role in location related arrangement of cell.
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