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What is a centriole?

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A centriole is a cylindrical structure composed of groupings of microtubules, which are rods that structure cells. Centrioles located in animal cells assist in the organization of microtubules when cell division occurs.

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Centrioles replicate during the interphase stages of meiosis and mitosis, the two methods of cell division. Basal bodies, which are forms of centrioles, form flagella and cilia, which move cells through a medium. According to the British Society for Cell Biology, dividing animal cells benefit from centrioles that control the formation of spindle fibers and, thus, chromosome separation. Research has determined that Drosophila embryos cease to develop when centrioles are unable to replicate. If centrioles are destroyed, abnormalities can occur in spindle development.

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