Mitosis does not differ from meiosis in which of the following aspects?

Given below is a schematic representation of the phases/stages of the cell cycle. Which one of the following is the correct indication of the stage/phase in the cell cycle?

Identify the correct statements.
$(i)$ Somatic cells undergo mitosis,and germ cells undergo meiosis.
$(ii)$ During mitosis,$DNA$ replicates once for one cell division,and in meiosis,$DNA$ replicates twice for two cell divisions.
$(iii)$ Meiosis and mitosis are observed in organisms that reproduce both sexually and asexually.

The number of chromatids in a chromosome at anaphase is

Which element is required for the formation of the bipolar spindle during cell division?

$(1)$ Definition / Explanation: Chiasmata
$(2)$ Definition / Explanation: Syncytium