A scientist starts a cell culture using one body cell from an axolotl. The cell contains 28 chromosomes.
During each complete cell cycle, every cell in the culture divides once by mitosis. The culture completes three cell cycles.
How many chromosomes are present altogether in the culture after the third cell cycle?
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194 exam-style questions on OCR GCSE Biology 2.1 Supplying the cell, covering 2.1.1 Transport across cell membranes, 2.1.2 Mitosis and the cell cycle, 2.1.3 Importance of cell differentiation, and 2.1.4 Stem cells. Each one has a worked solution and a mark scheme showing where the marks go.