In which of the following phases does the formation of spindle fibers around the centrosome occur?

Which phase of mitosis begins with the condensation of chromosomes along their longitudinal axis?

Comment on the statement: $Telophase$ is the reverse of $Prophase$.

In which phase do the bipolar spindle fibers shorten?

At which stage of mitosis do chromosomes start separating?

$S$ - Statement: During anaphase,the paired chromatids separate.
$R$ - Reason: During anaphase,the spindle fibers shorten,and the centromere splits.