Chromosome aberrations and mutations in cells that were not directly irradiated are referred to as:
a. bystander effects.
b. lethal mutation.
c. delayed reproductive death.
d. genetic instability.
ANS: A
The directly irradiated cells can lead to genetic effects in the so-called bystander cells or innocent cells. This is termed bystander effects. Lethal mutation and delayed reproductive death are simi-lar phenomenons and are not related to bystander effects. Genetic instability is related to chro-mosomal instability.
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