Multiple Choice
During which phases of the cell cycle does the cell primarily grow?
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11. Cell Division
Introduction to the Cell Cycle
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In which stage of the cell cycle does a cell contain twice its normal number of chromosomes?
A
S phase
B
M phase
C
G2 phase
D
G1 phase
Verified step by step guidance1
Understand the cell cycle: The cell cycle consists of several stages, including G1, S, G2, and M phases. Each phase has distinct characteristics and functions.
Learn about chromosome duplication: Chromosomes are duplicated during the S phase (Synthesis phase) of the cell cycle. This is when the DNA is replicated, resulting in two identical sets of chromosomes.
Explore the G2 phase: After the S phase, the cell enters the G2 phase. During this phase, the cell has twice the normal number of chromosomes because the DNA has been replicated, but the cell has not yet divided.
Consider the M phase: The M phase (Mitosis) is where the cell divides, distributing the duplicated chromosomes into two daughter cells. At the beginning of M phase, the cell still contains twice the normal number of chromosomes until they are separated.
Review the G1 phase: In the G1 phase, the cell grows and performs its normal functions, but it has not yet duplicated its chromosomes. Therefore, it contains the normal number of chromosomes.
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