Cell Cycle and Mitosis

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What is the Cell Cycle?

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The Cell Cycle is the series of phases that a cell goes through from its formation until it divides into two daughter cells. It includes Interphase and the Mitotic phase.

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What are the main phases of the Cell Cycle?

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The main phases of the Cell Cycle are Interphase (G1, S, G2) and the Mitotic phase (Mitosis and Cytokinesis).

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What occurs during Interphase?

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During Interphase, the cell grows, duplicates its DNA, and prepares for mitosis. It consists of G1 (cell growth), S (DNA synthesis), and G2 (preparation for mitosis).

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What is Mitosis?

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Mitosis is the process of cell division where one cell divides to produce two genetically identical daughter cells.

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What is Cytokinesis?

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Cytokinesis is the final stage of cell division where the cytoplasm and organelles are divided between the two daughter cells.

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What happens during Prophase?

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During Prophase, the chromatin condenses into visible chromosomes, the nuclear envelope breaks down, and the mitotic spindle begins to form.

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What is the significance of the Zygote?

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A zygote is the fertilized egg that results from the union of sperm and egg, marking the beginning of a new organism's development.

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How many chromosomes do body cells have compared to sex cells?

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Body cells have double the number of chromosomes compared to sex cells. For example, if a male shark has 40 chromosomes in its sex cells, it has 80 in its body cells.

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What is the result of Mitosis?

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The result of Mitosis is two genetically identical cells, each with the same number of chromosomes as the original cell.

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What is the role of the mitotic spindle?

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The mitotic spindle is a structure made of microtubules that helps separate the chromosomes during cell division.