Which technique amplifies a specific DNA sequence?
Answer and explanation
Correct answer: D. Polymerase chain reaction
- Step 1: PCR repeats cycles of denaturing, annealing and extension to copy a target sequence many times. Answer: Polymerase chain reaction. Why not the others: Gel electrophoresis, Southern blotting and Cell culture don't fit.
Practise more Genetics and Molecular Biology.
Free questions with an explanation for every one, and full timed MDCAT Pakistan mock tests.