IB skill practice

Analyse cell cycle and mitosis

Paper 1, Paper 2 5 marks Difficulty 3

Calculate mitotic index

In a wetland ecology survey, \(3\) out of \(23\) observed cells are in mitosis. Calculate the mitotic index as a percentage. Use the diagram labels, allele model, food-web arrows, or data values before answering. Enter the answer and choose the interpretation that best matches the biological evidence.

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