Multiple Choice
During DNA replication, what does a cell copy?
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16. Cell Division
DNA Replication
Multiple Choice
During which phase of the eukaryotic cell cycle does DNA replication occur?
A
M phase (mitosis)
B
S phase (Synthesis) of interphase
C
G1 phase of interphase
D
G2 phase of interphase
Verified step by step guidance1
Understand that the eukaryotic cell cycle consists of several phases: G1 phase, S phase, G2 phase (all part of interphase), and M phase (mitosis).
Recall that DNA replication is the process by which a cell duplicates its DNA, ensuring that each daughter cell receives an identical set of chromosomes.
Identify that DNA replication must occur before mitosis so that the chromosomes can be properly divided between the two daughter cells.
Recognize that the S phase (Synthesis phase) of interphase is specifically dedicated to DNA replication, where the entire genome is duplicated.
Conclude that DNA replication occurs during the S phase of interphase, not during M phase, G1, or G2 phases.
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