Cells taken from an early embryo are grown under two different sets of conditions. One group becomes one specialised cell type and the other group becomes a different specialised cell type. Why can the original cells produce both groups?
They are undifferentiated cells, so they can become different types of specialised cell
They divide by mitosis, so the new cells they produce contain different genetic information
Each group loses different genes as the cells divide, so the groups contain different genes
They are already specialised cells, so they can change from one cell type to another
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.