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Reference.org
Prophase
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<p>Prophase is the first stage of <a href="/facts/Cell_division/n5MrunWj">cell division</a> in both <a href="/facts/Mitosis/ExxrSUs8">mitosis</a> and <a href="/facts/Meiosis/Pj5Q6nGN">meiosis</a>. Beginning after <a href="/facts/Interphase/c37v07K4">interphase</a>, <a href="/facts/DNA/nB89Iauz">DNA</a> has already been replicated when the <a href="/facts/Cell_(biology)/bLM9UQvy">cell</a> enters prophase. The main occurrences in prophase are the condensation of the <a href="/facts/Chromatin/ha0TJheJ">chromatin</a> reticulum and the disappearance of the <a href="/facts/Nucleolus/X7B5HKM4">nucleolus</a>. </p>