Final answer:
In plant cells, the kinetochore microtubules are broken down during telophase and are replaced by the phragmoplast.
Step-by-step explanation:
In plant cells, the kinetochore microtubules are broken down during telophase, and, in their place, the phragmoplast is formed, a keg-shaped set of fibrils located along the equator between the daughter nuclei.