Eukaryotic Chromosome Structure
DNA Replication
DNA replication is semi-conservative
DNA replication only occurs during the S stage of the cell cycle
Stage
Activity
Time
G1
Growth and increase in cell size
10 hr
S
DNA synthesis
8 hr
G2
Post-DNA synthesis
5 hr
M
Mitosis
1 hr
DNA replication has two requirements that must be met:
DNA template
free 3' -OH group