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Genetics in the analysis of behaviour.

D A Hay

    Neuroscience and Biobehavioral Reviews
    |January 1, 1980
    PubMed
    Summary
    This summary is machine-generated.

    Behavior genetics advances beyond heritability, using model organisms like Drosophila and rodents to explore complex behaviors. This approach enhances experimental design and reveals genetic influences on behavior and its evolutionary significance.

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    Area of Science:

    • Behavioral genetics
    • Quantitative genetics
    • Evolutionary psychology

    Background:

    • Behavior genetics has evolved beyond simply measuring heritability.
    • Current research focuses on utilizing genetic principles for experimental design and understanding behavioral relationships.
    • The field integrates genetic analysis with physical and biochemical parameters.

    Purpose of the Study:

    • To discuss the advanced applications of genetics in behavioral research.
    • To explore the use of model organisms for studying behavior and its genetic underpinnings.
    • To highlight the concept of the 'behavioral phenotype' for a comprehensive understanding of genetic influences.

    Main Methods:

    • Utilizing Drosophila (vinegar fly) for studying sexual behavior, learning, and genetic control mechanisms.

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  • Employing inbred strains and selection lines of rodents (mice and rats) to analyze a wide range of behaviors.
  • Examining genotype-environmental interactions and their impact on behavioral outcomes.

    • Main Results:

    • Strain differences and artificial selection in Drosophila distinguish learning from other behavioral components.
    • Genetic control mechanisms in Drosophila provide insights into natural selection acting on behavior.
    • Rodent models demonstrate generalizable results across species, illustrating the advantages of using diverse genetic stocks.

    Conclusions:

    • Genetics offers powerful tools for efficient experimental design and understanding the generality of behavioral findings.
    • The 'behavioral phenotype' concept allows for a holistic analysis of genetic influences across multiple behaviors.
    • Increased interdisciplinary collaboration between psychology, genetics, and ecology can advance the understanding of behavior.