In the first phase—prophase—a centriole, placed outdoor the nucleus, divides. The lengthy, threadlike cloth of the nucleus coils up into visible chromosomes, and the nuclear membrane disappears.
What occurs inside the first stage of cellular replica?
Prophase is the first degree of mitosis, taking place after the conclusion of the G2 portion of the interphase. Throughout prophase, the parent cell chromosomes — which had been duplicated at some point of the S phase — condense and become hundreds of times more compact than they had been throughout interphase.
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