Cells from an adult's bone marrow divide and develop into several types of blood cell.
Which statement explains this observation?
The cells are specialised cells that undergo fertilisation.
The cells are specialised cells that undergo elongation.
The cells are stem cells that undergo fertilisation.
The cells are stem cells that undergo differentiation.
42 exam-style questions on Edexcel GCSE Biology 2.1 Cell division and growth, covering 2.1.1 Mitosis and the cell cycle, 2.1.2 Division producing identical daughter cells, 2.1.3 Cancer and uncontrolled cell division, 2.1.4 Growth in animals and plants, 2.1.5 Importance of cell differentiation, and 2.1.6 Percentile charts to monitor growth. Each one has a worked solution and a mark scheme showing where the marks go.