Question

explain the changes involved in mitosis in each phase

Answer 1

Answer:

Mitosis is the process in which the nucleus of a eukaryotic cell divides. During this process, sister chromatids separate from each other and move to opposite poles of the cell. This happens in four phases, called prophase, metaphase, anaphase, and telophase.

Explanation:

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Answer 2

Answer:

• Interphase. Before a dividing cell enters mitosis, it undergoes a period of growth called interphase. About 90 percent of a cell's time in the normal cell cycle may be spent in interphase.
• Prophase. In prophase, the chromatin condenses into discrete chromosomes. The nuclear envelope breaks down and spindles form at opposite poles of the cell.
• Metaphase. In metaphase, the spindle reaches maturity and the chromosomes align at the metaphase plate (a plane that is equally distant from the two spindle poles).
• Anaphase. In anaphase, the paired chromosomes (sister chromatids) separate and begin moving to opposite ends (poles) of the cell. Spindle fibers not connected to chromatids lengthen and elongate the cell.
• Telophase. In telophase, the chromosomes are cordoned off into distinct new nuclei in the emerging daughter cells. The following changes occur: The polar fibers continue to lengthen.
• Cytokinesis.