Which of the Following Statements About Radiation Induced Mutations Is

Multiple Choice

Which of the following statements about radiation induced mutations is true?

A) X rays, cosmic rays, and UV rays are all classified as ionizing radiation
B) Ionizing radiation results in raising electrons to an atom's outer orbitals, a state referred to as excitation
C) In mammals, chronic irradiation is as effective in inducing mutations as acute irradiation
D) UV radiation results in the formation of purine dimers and purine hydrates
E) X rays can result in gross changes of chromosome structure, such as large deletions, duplications and inversions