Q2 · 2024 · Paper 1Unclassified1 mark
QUESTION 2
Polymerase chain reaction is a technique used in DNA profiling to
(A) cut DNA at specific sites.
(B) create more copies of DNA.
(C) determine the order of nucleotides.
(D) separate DNA fragments based on size.
WORKED SOLUTION
1 markAnswer B
OFFICIAL ANSWERB
QCAA awards 1 mark for selecting option B.
Correct option from the official QCAA answer key.