write about prophase. (not form google please)
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During prophase in mitosis, the nuclear membrane breaks down and chromatin condenses. During prophase one of meiosis, the chromosomes group together and crossing over occurs. During prophase two, the chromosomes condense and are attached to spindle fibers where they can be moved.
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Prophase is the first step of cell division in mitosis. As it occurs after G2 of interphase, DNA has been already replicated when prophase begins
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