A physical or chemical agent that changes the nucleotide sequence of DNA is called a(n)

Question

Quizplus · Accepted Answer

A mutagen is a physical or chemical agent that can change the nucleotide sequence of DNA. Mutagens can cause mutations which can potentially result in changes in the phenotype of an organism. Options A, B, and D are not correct as a terminator is a sequence of nucleotides that signals the end of a gene or protein synthesis, a transposon is a DNA sequence that can move within a genome, and an anticodon is a sequence of three nucleotides that are complementary to a codon in mRNA and are part of the tRNA molecule that carries a specific amino acid.

A Physical or Chemical Agent That Changes the Nucleotide Sequence