Chromosomes in a human body cell are found in pairs. Which statement explains why?
One chromosome of each pair is used and the other is spare
Each chromosome of a pair codes for a different characteristic
Each chromosome of a pair sits in a different part of the cell
One chromosome of each pair is inherited from each parent
63 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.