Question

dna replication occurs during which phase of the eukaryotic cell cycle?
s phase
g1 phase
g2 phase
m phase

Explanation:

In the eukaryotic cell cycle, the S (synthesis) phase is when DNA replication occurs. G1 is the first - gap phase for cell growth and preparation, G2 is the second - gap phase for further preparation before cell division, and M is the mitosis phase for cell division.

Answer:

A. S phase