Ownclasses

At metaphase, chromosomes are attached to the spindle fibres by their

  • satellites

  • Secondary constrictions

  • Kinetochores

  • centromere

Answer

C.

Kinetochores

Kinetochores ar small disc -shaped proteinous structures present at the surface of the centromere. These structures serve as the sites of attachment of spindle fibres to the chromosomes that are moved into position at the centre of the cell.

Kinetochores ar small disc -shaped proteinous structures present at the surface of the centromere. These structures serve as the sites of attachment of spindle fibres to the chromosomes that are moved into position at the centre of the cell.