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Spindle fibers play a crucial role in mitosis by facilitating the separation of chromosomes. They are formed from microtubules and extend from the centrosomes to the kinetochores of chromosomes. During metaphase, spindle fibers align the chromosomes at the cell's equatorial plane, and in anaphase, they pull the sister chromatids apart toward opposite poles of the cell, ensuring that each daughter cell receives an identical set of chromosomes. This process is essential for accurate cell division and genetic stability.

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3mo ago

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Related Questions

What is role of spindle fibers in mitosis?

They pull the sister chromatids apart.


What is the role of the spindle during mitosis?

It provides a "scaffolding" for the attachment and movements of the chromosomes during the later mitotic stages.


What anchors the spindle in mitosis?

centriols


What is used in meiosis but not in mitosis?

Spindle


During this stage of mitosis, when do the chromosomes become attached to the spindle fibers?

During metaphase of mitosis, the chromosomes become attached to the spindle fibers.


During which step in mitosis do the chromosomes get attached to the spindle apparatus?

During the metaphase stage of mitosis, the chromosomes become attached to the spindle apparatus.


What role do centrioles play during mitosis?

Centrioles play a crucial role in organizing the spindle fibers that help separate chromosomes during mitosis. They are responsible for ensuring that each daughter cell receives the correct number of chromosomes.


What are spindle fibers composed of?

Spindle fibers are composed of microtubules, which are polymers of the protein tubulin. These microtubules play a crucial role in cell division by helping to separate the chromosomes during mitosis and meiosis.


When during mitosis do chromosomes attach to spindle fibers?

Chromosomes attach to spindle fibers during metaphase of mitosis. This is when the chromosomes align at the cell's equator, forming a metaphase plate. The spindle fibers attach to the centromere region of the chromosomes.


In what faze of mitosis do spindle fibers from?

prophase


During which phase of mitosis are chromosomes attaching to the spindle?

Chromosomes attach to the mitotic spindle during the metaphase of mitosis. Part of the answer depends on how you define the stages of mitosis and not everybody does this the same way. The short answer is all of them.


Is the role of centrosomes necessary for mitosis?

Yes, centrosomes play a crucial role in organizing the microtubules that form the mitotic spindle, which helps separate chromosomes during mitosis. However, some cells can undergo mitosis without fully functional centrosomes, using alternative mechanisms for spindle formation.