During karyokinesis, the spindle fibres get attached to condensing chromosome at a highly differentiated region. This region is called as

Options

A. chromomere
B. chromocentre
C. centriole
D. kinetochore.

Answer

D

Explanation

The key feature of metaphase is the attachment of spindle fibres to kinetochores of chromosomes. Kinetochores are disc-shaped structures at the surface of the centromeres. These strutures serve as the sites of attachement of spindle fibres to the chromosomes that are moved toward poles.