The centromere is a part of a chromosome that links the sister chromatids or dyads. The spindle fibers attach to it during .
Centrosome is the organelle where all the cell microtubules get organized.They occur only in animal cells.
Also centrosomes regulate the cell division cycle.
On the other hand a centriole is a small set of microtubules arranged in a specific way. There are nine groups of microtubules. The centrioles are found in pairs and move towards the poles of the nucleus during the cell division.

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