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Identifying genes like HMGA2 is important, because it is evidence of natural selection. How does it demonstrate that natural selection occurred in Darwin’s finches?   Scientists mutate and modify the gene in the lab to see how changes might occur to the organism. Scientists identify different forms of the gene in individuals from the same species and observe how it shows up as a trait. Scientists study similar genes that also impact the same traits to see how they work together and influence one another. Scientists observe the frequency of the different forms of the gene and how it changes in response to the environment.

Identifying genes like HMGA2 is important, because it is evidence of natural selection. How does it demonstrate that natural selection occurred in Darwin’s finches?   Scientists mutate and modify the gene in the lab to see how changes might occur to the organism. Scientists identify different forms of the gene in individuals from the same species and observe how it shows up as a trait. Scientists study similar genes that also impact the same traits to see how they work together and influence one another. Scientists observe the frequency of the different forms of the gene and how it changes in response to the environment.

Human Anatomy & Physiology (11th Edition)
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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Identifying genes like HMGA2 is important, because it is evidence of natural selection. How does it demonstrate that natural selection occurred in Darwin’s finches?
 
  • Scientists mutate and modify the gene in the lab to see how changes might occur to the organism.
  • Scientists identify different forms of the gene in individuals from the same species and observe how it shows up as a trait.
  • Scientists study similar genes that also impact the same traits to see how they work together and influence one another.
  • Scientists observe the frequency of the different forms of the gene and how it changes in response to the environment.
     
    Need some help on this one. 
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