Codon bias suggests that
A) some codons are selectively favored over others.
B) not all nonsynonymous substitutions are neutral.
C) some tRNAs are more abundant than others.
D) small fitness effects can make a large difference over time.
E) some codons evolved earlier than others.

Question

Quizplus · Accepted Answer

Codon bias refers to the phenomenon where certain codons are used more frequently than others in the coding sequences of DNA, which suggests that some codons are selectively favored over others due to factors like translation efficiency and accuracy.

Codon Bias Suggests That