CAPE Biology Unit 1 · 2011 · Paper 1 · Question Q25
Item 25 refers to the following stages used in the process of genetic engineering.
1. Potential difference applied.
2. Cut by restriction enzymes.
3. DNA extracted from cell.
4. Fragments travel to anode.
5. ^{32}\text{P} probe added.
6. Fragments placed in well at end of gel.
7. Autoradiograph.
Which of the following identifies the correct sequence of the process?
- (A)2, 3, 5, 4, 6, 7, 1
- (B)3, 2, 6, 1, 4, 5, 7
- (C)4, 3, 6, 7, 2, 1, 5
- (D)5, 6, 1, 3, 4, 7, 2
The answer is shown once you've answered.
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