Which of the following is not true of cDNA produced using human brain tissue as the starting material?
A) It can be amplified by the polymerase chain reaction.
B) It was produced from pre-mRNA using reverse transcriptase.
C) It can be labeled and used as a probe to detect genes expressed in the brain.
D) It lacks the introns of the pre-mRNA.

Question

Quizplus · Accepted Answer

cDNA is produced using reverse transcriptase which synthesizes DNA from an RNA template. Therefore, it cannot be produced from pre-mRNA. It is produced from mature mRNA.

Which of the Following Is Not True of CDNA Produced