What are the spindle fibres?

What are the spindle fibres?
  1. Microtubules that attach to the chromosomes during mitosis
  2. The structures that hold the chromatids together
  3. The structures that align the chromosomes along the metaphase plate
  4. The structures that initiate the condensation of chromosomal material

Solution

Spindle fibres are microtubules that originate from the centrosomes and attach to the kinetochores of the chromosomes during mitosis, allowing them to be moved into position at the center of the cell and aligned along the metaphase plate.

Asked in: NCERT

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