Which is an ethical concern about obtaining stem cells from embryos?
An embryo may be destroyed when the cells are collected.
A patient may develop a tumour after the cells are given.
An infection may be transferred when the cells are given.
A patient may reject the cells after they are transplanted.
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.