In ‘S’ phase of the cell cycle

MCQ

In $‘S’$ phase of the cell cycle

✓
amount of $DNA$ doubles in each cell
B
amount of $DNA$ remains same in each cell
C
chromosome number is increased
D
amount of $DNA$ is reduced to half in each cell.

✓

Answer

Correct option: A.

amount of $DNA$ doubles in each cell

a
(a) : In $‘S’$ phase of cell cycle the $DNA$ content doubles, $i.e.$, $1\ C$ to $ 2 \ C$ for haploid cells and $2\ C$ to $4\ C$ for diploid cells. However, the number of chromosomes does not increase.

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