Final answer:
Mitosis consists of prophase, metaphase, anaphase, and telophase, and is followed by cytokinesis. The percentages indicate the relative time cells spend in each stage, with interphase being the most extended phase.
Step-by-step explanation:
Mitosis is a critical process in the cell cycle that involves the division of the nucleus, enabling cells to replicate accurately. The stages of mitosis include prophase, metaphase, anaphase, and telophase, followed by cytokinesis, which divides the cytoplasm to form two new cells. Interphase, which is not technically part of mitosis, is the phase where the cell prepares for division. The percentages provided in your question show the distribution of cells in different stages during an observation, with 30% in interphase, 20% in prophase, 10% in metaphase, 20% in anaphase, and 20% in telophase. These percentages reflect the relative duration of each stage, with interphase typically being the longest phase.