Scientists once believed that each gene can encode a single polypeptide. We now know that _____ and _____ allow a single gene to encode more than one polypeptide.
A) transcription; translation
B) polyadenylation; RNA transport
C) DNA methylation; chromatin condensation
D) alternative processing; RNA editing
E) gene silencing; RNA interference

Question

Quizplus · Accepted Answer

Alternative processing and RNA editing are mechanisms that allow a single gene to produce multiple polypeptides by varying the mRNA transcript after transcription.

Scientists Once Believed That Each Gene Can Encode a Single