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Multiple Choice
In mitosis, what is the first and typically longest phase during which chromosomes condense and the mitotic spindle begins to form?
A
Metaphase
B
Telophase
C
Anaphase
D
Prophase
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1
Understand the sequence of phases in mitosis: prophase, metaphase, anaphase, and telophase.
Recall that during prophase, chromosomes begin to condense, becoming visible under a microscope as distinct structures.
Recognize that the mitotic spindle, which is essential for chromosome movement, starts to form during prophase.
Note that prophase is typically the longest phase of mitosis because it involves significant structural changes preparing the cell for chromosome alignment.
Conclude that the first and longest phase where chromosomes condense and the spindle forms is prophase.