DP Biology (last assessment 2024)
Question 19M.3.SL.TZ2.9b.ii
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.3.SL.TZ2.9b.ii |
| Level | SL | Paper | 3 | Time zone | TZ2 |
| Command term | State | Question number | b.ii | Adapted from | N/A |
b.ii.
[Maximum mark: 1]
19M.3.SL.TZ2.9b.ii
The diagram shows a method of production of transgenic plants and some of their uses.
[Source: Jian Yao, et al., (2015), International Journal of Molecular Science, 2015, 16(12),
28549–28565; https://doi.org/10.3390/ijms161226122]
(b.ii)
In this method of producing transgenic plants, state how to detect successful uptake of the gene.
[1]
Markscheme
a. antibiotic resistance ✔
b. presence of a marker gene ✔
c. B galactosidase ✔
Accept green fluorescent protein/GFP or other example of a marker gene.
Examiners report
Part (b) was well answered.
