A disorder that leads to nearsightedness is caused by a genetic mutation. On a small island in the pacific, nearsightedness was particularly harmful to people living there because they relied on sight to interpret their surroundings. In the 1600s, a huge storm killed many of the people on this island. Before the storm, 0.1% of the people had this disorder. Of the 50 people who survived the storm, 2% were nearsighted. Within a few generations, 10% of the islanders were nearsighted. Which is the likely evolutionary force behind this observation: natural selection, mutation, genetic drift, and gene flow?
A disorder that leads to nearsightedness is caused by a genetic mutation. On a small island in the pacific, nearsightedness was particularly harmful to people living there because they relied on sight to interpret their surroundings. In the 1600s, a huge storm killed many of the people on this island. Before the storm, 0.1% of the people had this disorder. Of the 50 people who survived the storm, 2% were nearsighted. Within a few generations, 10% of the islanders were nearsighted. Which is the likely evolutionary force behind this observation: natural selection, mutation, genetic drift, and gene flow?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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A disorder that leads to nearsightedness is caused by a genetic mutation. On a small island in the pacific, nearsightedness was particularly harmful to people living there because they relied on sight to interpret their surroundings. In the 1600s, a huge storm killed many of the people on this island. Before the storm, 0.1% of the people had this disorder. Of the 50 people who survived the storm, 2% were nearsighted. Within a few generations, 10% of the islanders were nearsighted. Which is the likely evolutionary force behind this observation: natural selection, mutation, genetic drift, and gene flow?
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