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.
mutation in Medicine. mutation muÂ·taÂ·tion (myÅÅ-tÄ'shÉn) n. The act or process of being altered or changed. An alteration or change, as in nature, form, or quality. A sudden structural change within a gene or chromosome of an organism resulting in the creation of a new character or trait not found in the parental type.