Choose the correct one with respect to cell cycle of eukaryotes.

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The amount of DNA of a cell is doubled in G1 stage of cell cycle.

Action of DNA ligase is seen S phase of cell cycle.

The amount of DNA present in G2 stage of cell cycle is equal to the amount of DNA seen in the G1 stage of the same cell.

The number of nucleosomes of a cell is doubled during telophase of M phase.

answer is B.

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Detailed Solution

During DNA replication of S stage of cell cycle, there is formation of fragments of DNA strands belonging to lagging strand. These fragments are joined by the action of DNA ligase.The number of nucleosomes of a cell is doubled in S stage of cell cycle.The amount of DNA seen in G2 stage of cell cycle is double the amount of DNA of G1 stage.Amount of DNA is doubled in S stage of cell cycle.

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