During cell division, spindle fibres get attached at __________.

Step-by-step solution

During cell division, spindle fibres attach to the kinetochores of chromosomes. Kinetochores are disc-shaped protein structures present on the sides of the centromere. Secondary constriction is associated with nucleolar organizers, while SAT body refers to the satellite region of a chromosome. Chromatids are the two identical halves of a replicated chromosome. Answer: Kinetochore