Which statement correctly describes both a gene and a chromosome?
A gene is a section of DNA and a chromosome is one DNA molecule
A chromosome is a section of DNA and a gene is one DNA molecule
A gene is a section of protein and a chromosome is one DNA molecule
A chromosome is a section of a gene and DNA is a set of chromosomes
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.