Higher substitution rates are seen in ________ than in ________.
A) charged amino acid codons, noncharged amino acid codons
B) 5' flanking regions, 3' flanking regions
C) introns, exons
D) coding regions, noncoding regions
E) first codon positions, second codon positions

Question

Quizplus · Accepted Answer

Introns generally have higher substitution rates than exons because they are non-coding regions and are less subject to selective pressure, allowing more mutations to accumulate.

Higher Substitution Rates Are Seen in ________ Than in ________

Higher Substitution Rates Are Seen in Than in