At what stage are chromosomes formed during the cell cycle? A) G2 phase B) G1 phase C) M phase D) S phase
Understand the Problem
The question is asking about the specific stage in the cell cycle at which chromosomes are formed, indicating that we need to identify the correct phase from the provided options.
Answer
S phase
Chromosomes are formed during the S phase of the cell cycle.
Answer for screen readers
Chromosomes are formed during the S phase of the cell cycle.
More Information
During the S phase, DNA replication occurs, leading to the formation of two identical copies of each chromosome, known as sister chromatids. This phase ensures that each daughter cell will receive an identical set of chromosomes after cell division.
Tips
A common mistake is confusing chromosome formation with chromatin condensation, which occurs in the M phase.
Sources
- Phases of the cell cycle (article) | Khan Academy - khanacademy.org
- 6.2 The Cell Cycle – Concepts of Biology – 1st Canadian Edition - opentextbc.ca
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