Advanced Placement (AP), 04.03.2021 09:10 mikealonso

Three students are conducting an experiment to determine how much time onion root tip cells spend in interphase and each of the phases of mitosis. They examined prepared olides of the tip of an onion root They each analyzed exactly 100 cells and recorded the number of cells in interphase and each of the phases of mitosis. The results are shown in the table. Which of the following claims about the time onion root tip cells spend in different phases of mitosis is correctly supported using the data?

А Prophase and metaphase last for similar lengths of time because there are an equal number of cells in those phases
B Metaphase is the longest phase of mitosis because the ratio of the number of cells in metaphase to the number of cells in each of the other phases in mitosis is at least 2 : 1.
с Anaphase and telophase are each longer than metaphase because the total number of cells in those phases is greater than the number of cells in metaphase
D Prophase is the shortest phase of mitosis because only 3 percent of cells, on average, are in prophase

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