During which phase of the cell cycle does chromatin condense into chromosomes, and why is this process important?

• A. During metaphase, to initiate cytokinesis.
• B. During anaphase, to allow the nuclear envelope to break down.
• C. During interphase, to prepare for DNA replication.
• D. During prophase of mitosis, to ensure that the DNA is accurately divided between the daughter cells.

Answer: (D)