In which phase of cell cycle the amout of DNA in a diploid cell become four times as compared to a haploid cell?

The amount of DNA in a diploid cell is :

Four phases of cell cycle are

In which phase of cell cycle, does replication of DNA take place?

In which phase of a cell cycle does the DNA replication take place?

In which phase of the cell cycle DNA synthesis occur .

In which phase of the cell cycle, the amount of DNA in a cell remains constant at 4C level, considering that the initial amount of DNA was 2C ?

In which phase of the cell cycle, the amount of DNA in a cell remains constant at 4C level, considering that the initial amount of DNA was 2C ?

In a diploid cell, at which stage of cell cycle, the amount of DNA is doubled

In a diploid cell, at which stage of cell cycle, the amount of DNA is doubled