In what portion of the cell cycle do the chromosomes appear invisible under a light microscope because they are not yet condensed?
Understand the Problem
The question is asking about the specific stage of the cell cycle when chromosomes are not visible under a light microscope due to their uncondensed state. This requires knowledge of cell biology, particularly the different phases of the cell cycle and the behavior of chromosomes during these phases.
Answer
Interphase
The chromosomes appear invisible under a light microscope during interphase because they are not yet condensed.
Answer for screen readers
The chromosomes appear invisible under a light microscope during interphase because they are not yet condensed.
More Information
During interphase, the DNA exists in an uncondensed state known as chromatin. This allows for gene transcription and DNA replication necessary for cell division. Chromosomes only become visible under a light microscope during mitosis when they condense.
Tips
A common mistake is to confuse interphase with the stages of mitosis where chromosomes are actually visible once they condense.
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