During which of the following phases does the centromere split?

$A$ stage in cell division is shown in the figure. Select the answer which gives correct identification of the stage with its characteristics.

In which phase of cell division do the chromosomes align at the equatorial plate?

Spindle fibers attach to kinetochores of chromosomes during

Identify the stages of the $M$ phase in the correct sequence.

Each chromosome at the anaphase stage of a bone marrow cell in our body has