Q12 / 120 · NEET 2011 (Mains) · Botany

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

  • A
    satellites
  • B
    secondary constrictions
  • Correct answer
    C
    kinetochores
  • D
    centromere

Solution

Kinetochores are 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.

Hence, the correct answer is option: 'C'.

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