The probe used to isolate a gene from a genomic library is often
A) the ligand that binds to the protein.
B) its promoter region.
C) a portion of the mRNA of the gene.
D) the protein produced by the gene.
E) None of the answers is correct.

Question

Quizplus · Accepted Answer

A probe used to isolate a gene from a genomic library is often a portion of the mRNA of the gene. This is because the mRNA is complementary to the gene's coding sequence, making it an effective tool for hybridization-based identification.

The Probe Used to Isolate a Gene from a Genomic