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stu.nehagupta stu.nehagupta
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6 years ago
A group is experimenting with selection in an insect species due to exposure to a newly developed insecticide, cpd AW143. The group has found that after 10 generations of exposure, the population is now bimodal in its response to the drug.
 
  Close to 30 of the population are completely normal while 70 live only about 1/6 of the normal lifetime. This is an example of __________. A) threshold effect
  B) stabilizing selection
  C) additive genes
  D) directional selection
  E) disruptive selection
Textbook 
Genetic Analysis: An Integrated Approach

Genetic Analysis: An Integrated Approach


Edition: 3rd
Authors:
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