A newspaper reports that embryonic stem cells can form many cell types, so they will successfully treat every disease.
Which explanation identifies the weakness in this claim?
Producing cell types does not establish that they function safely in patients.
Producing cell types establishes that they cannot be rejected by patients.
Producing cell types means that the cells can only be used to replace blood.
Producing cell types means that the cells cannot divide after transplantation.
46 exam-style questions on Edexcel GCSE Biology 2.2 Stem cells, covering 2.2.1 Function of stem cells and meristems and 2.2.2 Benefits and risks of stem cells. Each one has a worked solution and a mark scheme showing where the marks go.