A fertilised egg cell divides many times by mitosis. What does this cell division allow to happen?
The embryo grows and develops into a multicellular organism
The embryo produces gametes with half the number of chromosomes
The embryo produces cells that are genetically different from each other
The embryo replaces the chromosomes that were lost at fertilisation
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.