Which step of mitosis involves the spindle fibers pulling the chromosomes to opposite ends of the cell?
The step of mitosis where spindle fibers pull chromosomes to opposite ends of the cell is called anaphase. This process is crucial for ensuring that each daughter cell receives the correct number of chromosomes. Understanding the stages of mitosis helps clarify how cellular division occurs effectively.
Mitosis is the process where a single cell divides into two identical daughter cells, ensuring that each daughter cell receives the same number of chromosomes as the original cell. Each stage of mitosis plays a pivotal role in this process, and specifically, the stage involved in the movement of chromosomes is called anaphase.
During anaphase, the spindle fibers, which are protein structures that help separate the chromosomes, contract and pull the sister chromatids (the duplicated chromosomes) apart toward opposite ends of the cell. This separation ensures that each new cell will have the correct number of chromosomes when the cell divides completely.
To summarize the stages related to chromosome arrangement and separation in mitosis:
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