A researcher studies cell division in an endangered beetle. One body cell from the beetle contains 30 chromosomes.
Give the number of chromosomes in this cell that were inherited from the beetle's male parent.
The cell divides by mitosis. Explain why each daughter cell contains chromosomes inherited from both of the beetle's parents.
104 exam-style questions on AQA GCSE Biology 1.2 Cell division, covering 1.2.1 Chromosomes, 1.2.2 Mitosis and the cell cycle, and 1.2.3 Stem cells. Each one has a worked solution and a mark scheme showing where the marks go.