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

A deterministic genetic model for sympatric speciation by sexual selection.

G Takimoto1, M Higashi, N Yamamura

  • 1Center for Ecological Research, Kyoto University, Otsu, Shiga, Japan. gaku@ecology.kyoto-u.ac.jp

Evolution; International Journal of Organic Evolution
|February 24, 2001
PubMed
Summary

Sympatric speciation via sexual selection is possible through female preference, with varying effects based on preference type and cost. Initial frequencies influence speciation, but female thresholds are key.

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

Breath-hold diffusion-weighted MR imaging (DWI) using deep learning reconstruction: Comparison with navigator triggered DWI in patients with malignant liver tumors.

Radiography (London, England : 1995)·2024
Same author

Transport of ribavirin in human myelogenous leukemia cell line K562.

Die Pharmazie·2020
Same author

Efficacy of programmed intermittent bolus epidural analgesia in thoracic surgery: a randomized controlled trial.

BMC anesthesiology·2019
Same author

Functional expression of breast cancer resistance protein and cholesterol effect in human erythrocyte membranes.

Die Pharmazie·2018
Same author

Vascular endothelial growth factors C and D and lymphangiogenesis at the early stage of esophageal squamous cell carcinoma progression.

Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus·2018
Same author

[Meta-analyses on measurement precision of non-invasive hemodynamic monitoring technologies in adults].

Der Anaesthesist·2018

Area of Science:

  • Evolutionary Biology
  • Genetics
  • Behavioral Ecology

Background:

  • Sexual selection drives evolutionary divergence.
  • Understanding sympatric speciation mechanisms is crucial for evolutionary biology.

Purpose of the Study:

  • To confirm and detail previous simulation results on sympatric speciation by sexual selection.
  • To elucidate parameter dependence using a deterministic haploid genetic model and phase plane analysis.

Main Methods:

  • Deterministic haploid genetic modeling.
  • Phase plane analysis for parameter dependence.
  • Exploration of female preference and mate choice costs.

Main Results:

  • Female preference for or against male traits differentially impacts speciation initiation and stability.

Related Experiment Videos

  • Speciation occurs irrespective of initial frequencies when male ornamentation has no cost and female preference is sufficient.
  • A threshold of initial female frequencies is necessary for speciation, while male frequencies have minimal impact.
  • Low costs of female mate choice do not prevent speciation, but high costs significantly reduce its likelihood.

    • Conclusions:

    • Sexual selection can drive sympatric speciation through specific female preference dynamics.
    • Parameter thresholds, particularly for female initial frequencies and mate choice costs, are critical for successful speciation.
    • The deterministic model provides a robust framework for understanding the conditions favoring speciation by sexual selection.