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.
Answer: Mutations are changes in the genetic code of a living thing. Explanation: Mutations are changes in the genetic code of a living thing. These changes may be spontaneous (random rearrangement of bonds), errors in DNA repair processes, and the introduction of mutagens such as ionizing radiation and many chemicals. Mutations can be neutral, beneficial, or harmful.