A cDNA library differs from a DNA library in which way?
A) It consists solely of RNA molecules
B) It contains many copies of the gene of interest
C) It contains only coding sequences, not introns
D) It is typically 10-100 times the size of a DNA library

Question

Quizplus · Accepted Answer

A cDNA library is made from mRNA and thus only contains coding sequences (exons) without introns, unlike a genomic DNA library which includes both exons and introns.

A CDNA Library Differs from a DNA Library in Which