Which of the following is the best definition of a gene based on its chemical structure?
A) a sequence of three base pairs that codes for an amino acid
B) a segment of DNA that produces one enzyme
C) a segment of DNA that is functional in the nucleolus
D) a length of DNA that codes for a regulatory protein
E) a segment of DNA that produces an RNA

Question

Quizplus · Accepted Answer

A gene is best defined as a segment of DNA that produces an RNA molecule, which can be involved in coding for proteins (through mRNA) or have other functions (such as rRNA or tRNA). This definition encompasses the broader roles genes play beyond just coding for proteins.

Which of the Following Is the Best Definition of a Gene