Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2005

  • question_answer
    Synthesis of DNA takes place in

    A)  \[{{G}_{1}}\]                                    

    B) \[~{{G}_{2}}\]

    C)  S                                            

    D)  None of these

    Correct Answer: C

    Solution :

    Synthesis of DNA takes place in S-phase. In this, DNA replicates and its amount becomes double. Synthesis of histone proteins and non-histone  proteins takes place. The euchromatin replication is earlier than heterochromatin   replication.      Each chromosome has 2 chromatids. The time taken by this phase is 30-50% and it is followed by \[{{G}_{1}}-\]phase.


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