Answer:
D. Chromosomes unwind into chromatin, nuclear envelope forms around them
Step-by-step explanation:
Mitosis comprises 4 stages:
(1) Prophase
(2) Metaphase
(3) Anaphase
(4) Telophase
Telophase is the last stage of mitosis by which the chromosomes which are duplicated during synthetic phase of cell division had already get separated so that one chromosomal pair could be with daughter cell and another one could stay with mother cell. After this chromosomal distribution, now its time for chromosomes to dissolve to form chromatin which is present in the cell when cell is not dividing or preparing to divide. After this conversion of chromosomes into chromatin, now its time for the nuclear envelop which disappeared during prophase to reappear.
After telophase is over, cytokinesis takes place in which mother and daughter cells become unique entity and no more attached to each other by any means.