Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Stable cycling in discrete-time genetic models

A Hastings

    Proceedings of the National Academy of Sciences of the United States of America
    |November 1, 1981
    PubMed
    Summary

    Stable cycling in population genetics models can occur even with constant fitnesses. Numerical analysis revealed that apparent directional selection might actually be caused by this stable cycling behavior.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Low risk management intervention: Limited impact of remedial tillage on net ecosystem carbon balance at a commercial Miscanthus plantation.

    Global change biology. Bioenergy·2024
    Same author

    Critical review of the impacts of grazing intensity on soil organic carbon storage and other soil quality indicators in extensively managed grasslands.

    Agriculture, ecosystems & environment·2018
    Same author

    Safety, tolerability, pharmacokinetics, pharmacodynamics and efficacy of the monoclonal antibody ASK8007 blocking osteopontin in patients with rheumatoid arthritis: a randomised, placebo controlled, proof-of-concept study.

    Annals of the rheumatic diseases·2011
    Same author

    Near-patient platelet function testing in patients undergoing coronary artery surgery: a pilot study.

    Anaesthesia·2011
    Same author

    Chaos and scale.

    Trends in ecology & evolution·2011
    Same author

    Genetic and evolutionary consequences of metapopulation structure.

    Trends in ecology & evolution·2011

    Area of Science:

    • Population genetics
    • Mathematical biology
    • Evolutionary dynamics

    Background:

    • Population genetics models explore how allele frequencies change over time.
    • Understanding stable cycles is crucial for interpreting evolutionary trajectories.
    • Previous models often focused on conditions leading to fixation or extinction.

    Purpose of the Study:

    • To investigate conditions for stable cycling in two-locus, two-allele models.
    • To identify specific scenarios where stable cycles emerge.
    • To explore the implications of stable cycling for interpreting selection patterns.

    Main Methods:

    • Utilized deterministic, discrete-time models with constant fitnesses.
    • Employed numerical techniques to systematically search for stable cycles.
    • Focused on identifying stable Hopf bifurcations as indicators of cycling.

    Main Results:

    • Demonstrated examples of stable cycling in the specified model.
    • Found that stable cycling can occur under constant fitness conditions.
    • Identified stable Hopf bifurcations as a mechanism for generating these cycles.

    Conclusions:

    • Stable cycling is a possible outcome in simple population genetic models.
    • Apparent directional selection may be an artifact of underlying stable cycling.
    • These findings necessitate careful interpretation of evolutionary dynamics in empirical studies.

    Related Experiment Videos