a substance or preparation capable of inducing mutation
mutagens | Define mutagens at Dictionary.com
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In genetics, a mutagen is a physical or chemical agent that changes the genetic
material, usually DNA, of an organism and thus increases the frequency of ...
A mutagen is something that affects the process of replication or the structure of
the DNA itself. Therefore, mutagens are agents that cause mutations. There are ...
Jun 14, 1999 ... Introduction: Definitions and mutation rates; Types of Mutations; Origins of
Spontaneous Mutation; Mutagens; DNA Repair Systems ...
DNA changes caused by mutagens may harm cells and cause certain diseases,
such as cancer. Examples of mutagens include radioactive substances, x-rays, ...
Chemical mutagens are classified as alkylating agents, cross-linking agents, and
polycyclic aromatic hydrocarbons (PAHs). Alkylating agents act by adding ...
Citation: Ralston, A. (2008) Environmental mutagens, cell signalling and DNA
repair. Nature Education 1(1):114. Email. Do genes live in a bubble? Find out
Mutagens may be of physical, chemical or biological origin. They may act directly
on the DNA, causing direct damage to the DNA, and most often result in ...
Many mutagenic test systems other than S. typhimurium have been used to test
chemicals (see review by Hollstein and McCann, 1979). In the discussion that ...