DP Biology (first assessment 2025)
Question 23M.1B.SL.TZ1.a
| Date | May 2023 | Marks available | [Maximum mark: 2] | Reference code | 23M.1B.SL.TZ1.a |
| Level | SL | Paper | 1B | Time zone | TZ1 |
| Command term | State | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 2]
23M.1B.SL.TZ1.a
State
(i)
where the DNA of each individual could be taken from.
[1]
Markscheme
from blood sample/hair/cheek/saliva/semen;
Do not accept red blood cells
(ii)
how the DNA is amplified.
[1]
Markscheme
PCR/polymerase chain reaction
OR
using Taq polymerase;