a specific mutagen that causes breaks in chromosomes
a substance that cause breaks in chromosomes that result in the gain, loss, or rearrangements of chromosomal segments
an agent that produces chromosome breaks and other structural aberrations such as translocations (q.v.). Clastogens may be viruses or physical agents as well as chemicals. Clastogenic events play an important part in the development of some tumours.
An agent that produces changes in the chromosome.