In genetics, a mutagen is a physical or chemical agent that permanently changes genetic material, usually DNA, in an organism and thus increases the frequency of mutations above the natural …

Mutagen, any agent capable of altering the genetic constitution of a cell by changing the structure of the hereditary material, deoxyribonucleic acid (DNA). Many forms of electromagnetic radiation (e.g., …

2 days ago · A mutagen is a chemical or physical phenomenon, such as ionizing radiation, that promotes errors in DNA replication.

A mutagen is a physical agent or chemical reagent that causes mutations. For example, nitrous acid reacts with some DNA bases, changing their chemistry and hydrogen bonding properties, and is a …

Aug 16, 2025 · A mutagen is an agent that causes mutations in an organism’s genetic material, typically DNA or RNA. These alterations can affect the sequence or structure of DNA, increasing the …

Nov 10, 2025 · A mutagen is an agent that causes a permanent change, or mutation, in the genetic material of an organism, typically deoxyribonucleic acid (DNA). These agents elevate the frequency …

Aug 5, 2025 · What are Mutagens? A mutagen refers to an agent, be it physical or chemical, that brings about changes or mutations of the DNA sequence of any organism. These mutations can therefore …

A mutagen is a mutation-causing agent, be it chemical or physical, which results in an increased rate of mutations in an organism's genetic code. In nature mutagenesis can lead to cancer and various …

Aug 3, 2023 · A mutagen is a physical or chemical agent that can cause mutations in DNA and raises their frequency above natural background levels.

Nov 2, 2025 · mutagen (plural mutagens) Any agent or substance that can cause genetic mutation.