Question

scientists isolate cells from an individual in various phases of the cell cycle. they find a group of cells that have 1 ½ times more dna than do g1 phase cells. the cells of this group are ____.
o in the s phase of the cell cycle
o between the g1 and s phases in the cell cycle
o in the g2 phase of the cell cycle
o in the m phase of the cell cycle

Explanation:

In the cell - cycle, G1 phase cells have a certain amount of DNA. During the S phase, DNA replication occurs. If a group of cells has 1.5 times more DNA than G1 phase cells, it indicates that DNA replication is in progress, which occurs in the S phase. Cells between G1 and S have not started DNA replication yet. G2 phase cells have already completed DNA replication and have twice the amount of DNA as G1 phase cells. M phase is for cell division and follows G2.

Answer:

In the S phase of the cell cycle