This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
Not product of transcription: 
Select and explain. 
A. tRNA, B. mRNA, C. rRNA, D. cDNA
D: cDNA
Answer: D: cDNA 
Explanation: D i.e. C-DNA; E i.e. New strand of DNA