Karyokinesis differs from cytokinesis because it involves

Explain $G_{2}$ phase in short.

Describe the various phases of mitosis in detail with a diagram.

The morphology,size,and structure of chromosomes can be best studied during this stage.

$P -$ Statement: Small disc-shaped structures called kinetochores are present on the surface of centromeres.
$Q -$ Statement: Spindle fibers attach to the centromeres of chromosomes.

What is the main function of the spindle fibers during mitosis?