[SunilNagpal]

And in q,s of cell cycle .... Main theme is ... The completion of genome duplication and before mitosis begin....it must be duplicated in end of G2 phase   . so ans. Is s and G2.

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Hello sangam,

Thanks for the input but I couldn't understand the theme suggested by you...could you please elaborate? And was the question about DNA content or about the ploidy?

Nither dna content nor ploidy . only .. End of which phases of cell cycle ( mitosis ) the completion of genome duplication takes place..
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In that case S and G2 are indeed the two phases..