Which of the Following Statements Is NOT Correct

Which of the following statements is NOT correct?

A) Coding sequences for gene products can be isolated from cDNA libraries.
B) Antibodies are used for Northern blot analysis.
C) The number of STR copies is variable throughout human populations.
D) PCR amplification generates large numbers of linear DNA fragments.
E) RNA molecules can be used as hybridization probes in Southern blot analysis.