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Related Experiment Videos

Selection for migration modification.

B J Balkau1, M W Feldman

  • 1Department of Mathematics, La Trobe University, Bundoora, Victoria 3083, Australia.

Genetics
|May 1, 1973
PubMed
Summary
This summary is machine-generated.

Genetic models show that natural selection opposes migration from good to bad environments. This finding impacts theories on how genes modify migration tendencies.

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Area of Science:

  • Evolutionary biology
  • Population genetics

Background:

  • Migration is a key evolutionary process.
  • Genetic factors influence migratory behavior.

Purpose of the Study:

  • To model the genetic control of migration.
  • To understand selection pressures on migration.

Main Methods:

  • Development of simple genetic models.
  • Analysis of selection on migration tendency.

Main Results:

  • Selection disfavors migration from favorable to unfavorable environments.
  • Migration to less favorable conditions is selected against.

Conclusions:

  • Genetic control mechanisms can limit disadvantageous migration.
  • Findings have implications for general modifier theory in evolution.