Question

part a
during which phase of the cell cycle are the chromosomes duplicated?
mitosis
interphase
meiosis
cytokinesis
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Explanation:

• Mitosis is the phase where the cell divides its nucleus and genetic material into two daughter nuclei.
• Interphase is the phase where the cell grows, replicates its DNA (chromosomes are duplicated during the S - phase of interphase), and prepares for cell division.
• Meiosis is a type of cell division that results in four daughter cells with half the number of chromosomes of the parent cell, used for sexual reproduction.
• Cytokinesis is the phase where the cell divides its cytoplasm to form two daughter cells.

Answer:

Interphase