The nucleus of a mouse body cell in ${G_1}$ phase of the cell cycle has $1.2 \times {10^{ - 12}}g$ g of DNA.
What will be the mass of DNA in the nucleus of the cell at the end of S phase and at the end of ${G_2}$ phase of the cell cycle?

1 )
A
2 )
B
3 )
C
D
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