Chromosomes carry the genetic information of a cell. Before a body cell divides, the DNA of each chromosome is copied.
Name the part of a body cell in which the chromosomes are found.
In a body cell the chromosomes are normally found in pairs. Give the number of pairs of chromosomes in a human body cell.
Explain why the DNA of each chromosome must be copied before the cell divides.
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.