Which event completes cell division even though it is not a part of mitosis?

How does cytokinesis take place in animal cells?

Cytokinesis in plants takes place by the formation of

Cell plate is referred to as

In plant cells,where does cytokinesis occur?

$A$ student observed a plant cell from a field in the telophase stage. He informed his teacher that the cell appeared different from other cells in telophase. The formation of the cell plate was not observed. Consequently,the cell contained a higher number of chromosomes compared to other dividing cells. This phenomenon results in $..........$.