Question

What is an example of an alkylating agent that causes mutation?

Options

• 5-Bromouracil

• Phenol

• Acridine dyes

• Mustard gas

Answer 1

Mustard gas is an example of an alkylating agent chemical mutagen that causes mutations by alkylating guanine residues in DNA. This chemical modification of bases leads to mispairing during DNA replication, resulting in point mutations or other genetic alterations.