Scelta multipla
During metaphase of mitosis, what key event occurs?
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11. Cell Division
Phases of Mitosis
Scelta multipla
During which phase of mitosis do sister chromatids line up at the center of the cell?
A
Anaphase
B
Telophase
C
Prophase
D
Metaphase
Guida verificata passo dopo passo1
Understand the process of mitosis, which is the division of a single cell into two genetically identical daughter cells. Mitosis consists of several phases: prophase, metaphase, anaphase, and telophase.
Recall that during prophase, the chromatin condenses into visible chromosomes, and the mitotic spindle begins to form. The nuclear envelope also starts to break down.
Recognize that metaphase is the phase where the chromosomes align at the metaphase plate, which is an imaginary line equidistant from the two spindle poles. This alignment ensures that each daughter cell will receive an identical set of chromosomes.
In anaphase, the sister chromatids are pulled apart by the spindle fibers and move toward opposite poles of the cell.
During telophase, the chromosomes arrive at the poles, and the nuclear envelope re-forms around each set of chromosomes, leading to the completion of mitosis.
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