Biology 0610 · 17 Inheritance
17.1 Chromosomes, genes and proteins
Explain DNA, genes, alleles, sex determination, protein synthesis from mRNA, and the difference between haploid and diploid nuclei.
- Questions
- 221
- Years
- 2015–2026
- Multiple choice
- 173
- Written answer
- 48
- Average marks
- 3
Where this subtopic appears
- Paper 2variants 21, 22, 23122
- Paper 1variants 11, 12, 1354
- Paper 4variants 41, 42, 4329
- Paper 3variants 31, 32, 3316
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | 6 | 14 | – | 20 |
| 2023 | 5 | 11 | 7 | 23 |
| 2022 | 3 | 16 | 8 | 27 |
| 2021 | 5 | 14 | 14 | 33 |
| 2020 | – | 12 | – | 12 |
| 2019 | 3 | 7 | 10 | 20 |
| 2018 | 4 | 10 | 12 | 26 |
| 2017 | 2 | 13 | 13 | 28 |
| 2016 | 7 | 10 | 8 | 25 |
| 2015 | 1 | 4 | 2 | 7 |
