19.During cell division, the spindle fibres attach to the chromosome at a region called A. Chromocentre B. Kinetochore C. Centriole D. Chromomere
Option B The key feature of metaphase is the attachment of spindle fibers to kinetochores of chromosomes. Kinetochores are disc-shaped structure at the surface of the centromeres. These structures serve as the site of attachment of spindle fibres to the chromosomes that are moved toward poles.