During which of the following phases of the cell cycle do chromosomes align in the...
BIOLOGY
SAT 2021
During which of the following phases of the cell cycle do chromosomes align in the middle of the cell?
- A. Metaphase
- B. G2
- C. S
- D. Anaphase
Correct Answer: D. Anaphase
Explanation
The correct answer is metaphase. The chromosomes are each attached to spindle fibers at the centromere. When the chromosomes align along the middle of the cell (often called the metaphase plate), the cell is in metaphase. Metaphase occurs after prophase (during which the cell grows and replicates its DNA) but before anaphase (when the chromosomes are pulled by spindle fibers to opposite ends of the cell).
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