CAIE IGCSE Biology 17.1.9 Gene Expression in Specialised Cells
Practise explaining why cells with the same genes make different proteins and develop specialised functions.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- state that most body cells contain the same genes
- explain that only selected genes are expressed or switched on in a specialised cell
- link expressed genes to production of the particular proteins needed for that cell's function
17.1.9—Most body cells in an organism contain question 1
Fig. 6.1 shows some cells from the shoot tip of an onion, Allium cepa.
Fig. 6.1
Some cells in shoot tips become leaf cells and others become cells in the stem or in flowers. Explain why it is important that only some of the genes in cell A are expressed in these cells.
All question bank results loaded