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A cell that passes the restriction point...

A cell that passes the restriction point in `G_(1)` will most likely.

A

Undergo chromosome duplication

B

Have just completed cytokinesis.

C

Continue to divide only if it is a cancer

D

Move into the `G_(0)` phase

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question, "A cell that passes the restriction point in G1 will most likely...", we will follow these steps: ### Step-by-Step Solution: 1. **Understanding the Restriction Point in G1**: - The restriction point (R point) in the G1 phase is a critical checkpoint that determines whether a cell will proceed to the next phase of the cell cycle. If a cell passes this point, it is committed to continuing through the cell cycle. 2. **Progression to S Phase**: - Once a cell has passed the restriction point in G1, it will most likely enter the S phase (Synthesis phase) of the cell cycle. This is where DNA replication occurs. 3. **DNA Replication**: - During the S phase, the cell undergoes chromosome duplication. Each chromosome is replicated, resulting in two sister chromatids for each chromosome. However, the overall chromosome number remains the same. 4. **Subsequent Phases**: - After the S phase, the cell will progress to the G2 phase (Gap 2 phase), where it prepares for mitosis, and then to the M phase (Mitosis), where cell division occurs. 5. **Conclusion**: - Therefore, a cell that passes the restriction point in G1 will most likely proceed to the S phase, where it will replicate its DNA. ### Final Answer: A cell that passes the restriction point in G1 will most likely enter the S phase and undergo DNA replication. ---
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