DP Biology (last assessment 2024)
Question 19M.3.HL.TZ2.11b.ii
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.3.HL.TZ2.11b.ii |
| Level | HL | Paper | 3 | Time zone | TZ2 |
| Command term | Outline | Question number | b.ii | Adapted from | N/A |
b.ii.
[Maximum mark: 1]
19M.3.HL.TZ2.11b.ii
(b.ii)
In gene research, outline the use of gene knockout.
[1]
Markscheme
silence gene to observe the effect when the gene is not expressed
OR
change in phenotype to deduce function of gene ✔
Examiners report
Knowledge of different tools in gene research seems to be fine, but gene knockout was less understood.
