DP Biology (last assessment 2024)
Question 18M.3.HL.TZ1.12a
Date | May 2018 | Marks available | [Maximum mark: 2] | Reference code | 18M.3.HL.TZ1.12a |
Level | HL | Paper | 3 | Time zone | TZ1 |
Command term | Outline | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 2]
18M.3.HL.TZ1.12a
(a)
Caenorhabditis elegans, a nematode, was the first multicellular organism whose genome was completely sequenced.
Outline the benefits of using model organisms for studying gene function.
[2]
Markscheme
a. organisms with similar gene sequence could be used as models for specific gene functions (in humans)
b. it is possible for researchers to learn about the gene function faster/more easily as fewer genes (in model)
c. can predict effects in other organisms
d. some research may be unethical in humans
