Question

In metaphase I, the spindle microtubules attach to the kinetochore of ______.
In metaphase II, the spindle microtubules attach to the kinetochore of ______.

• A. homologous; non-homologous chromosomes
• B. non-homologous; homologous chromosomes
• C. sister chromatids; homologous chromosomes
• D. homologous chromosomes; sister chromatids

Answer 1

The correct option is D homologous chromosomes; sister chromatids

The kinetochore is a proteinaceous disc-shaped structure near the centromere which helps in cell division.


Metaphase I of meiosis I: The homologous chromosomes align at the equatorial plate. The spindle microtubules attach to the kinetochore of the homologous chromosomes.

Metaphase II of meiosis II: The chromosomes align at the equatorial plate and the spindle microtubules attach to the kinetochores of the sister chromatids.