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Learn about how allele frequency can change rapidly in a population in response to selective pressure by considering how evolutionary change can occur in insects that are exposed to insecticides. This course, Mosquito resistance to insecticides, further demonstrates how traits that are advantageous in one environment can have effects that are disadvantageous in other environments, a situation known as a trade-off.
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English
English [CC]
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Description
Introduction
Natural selection acts on phenotypes that vary in survival and reproductive success, and the response to selection is a change in allele frequency resulting in evolution. In this free course, Mosquito resistance to insecticides, you will see how allele frequency can change rapidly in a population in response to selective pressure. You will consider how alleles that arise and spread through a population because they confer resistance in that environment can have negative fitness consequences in other environments (a situation known as a trade-off). These principles can be illustrated by considering the example of the spread of mutant alleles of a gene called ester in populations of mosquitoes exposed to insecticides.Course learning outcomes
After studying this course, you should be able to:- Describe how natural selection drives changes in allele frequencies, using mosquito resistance to insecticides as an example.
Course content
Instructor
Open University UK
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