The Atacama Desert, a 1000km stretch of parched wasteland, separates it from Peru to the north. And to the west, only a few islands dotted in the Pacific Ocean break the waves that roll onto Chileâs coast from Australasia.
What is a mutation? A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke.
A mutation is. A. a change in a DNA sequence that affects at least 10 percent of individuals in a population. B. a change in a DNA sequence present in less than 1 percent of individuals in a population. C. a change in a DNA sequence that harms health. D. a type of radiation that can alter the genetic code.