Question 1
Which option correctly completes the sentence below?
In gel electrophoresis, DNA moves towards the _________.
Cathode
Negatively charged electrode
Anode
Tiny pores in the gel
0%
DP IB Biology: SL
Topic Questions
3.4 Genetic Modification & Biotechnology
Question 2
Which of the following processes takes place in a thermal cycler?
Genetic modification
Polymerase chain reaction
Gel electrophoresis
Genetic fingerprinting
Question 3
With reference to the DNA profile shown, which two individuals are the parents of child X?
1 and 3
1 and 2
2 and 3
Individual 1 (only one parent is shown)
Question 4
Which row correctly labels letters X, Y and Z in the diagram of genetic modification shown?
| X | Y | Z | |
| A | Transgenic organism | Vector | Recombinant DNA |
| B | Recombinant DNA | Transgenic organism | Vector |
| C | Recombinant DNA | Vector | Transgenic organism |
| D | Required gene sequence | Recombinant DNA | Transgenic organism |
Question 5
Which of the following gives an example of artificial cloning?
Production of runners
Somatic cell transfer
Monozygotic twins
Parthenogenesis
