2.1. What physical mutagens (physical. mutagen) including temperature, radiation, radiation can be divided into two categories.
A. rays that cause ion (ionizing radiation) radiation of this type have been eliminated. High penetration through tissue. This often causes breakage of chromosomes cause chromosomal changes alpha, beta, gamma radiation, including X-rays or neutrons.
B. Radiation treatment did not cause the ions (non ionizing radiation) radiation of this type. Each has the power to penetrate through tissue
is less likely to cause a thymine dimer York (thymine dimer) or King's Road, the Mercury (cytosine dymer) radiation of this type include ultraviolet (UV).