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

Statistical analysis of half-tetrads

H Zhao1, T P Speed

  • 1Department of Epidemiology and Public Health, Yale University School of Medicine, New Haven, Connecticut 06520, USA. hongyu.zhao@yale.edu

Genetics
|September 2, 1998
PubMed
Summary
This summary is machine-generated.

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

[Detection of anti-HAV, anti-HBV, anti-HCV and anti-HEV antibodies in the patients with sporadic acute hepatitis in Beijing during 1995-2000].

Zhonghua shi yan he lin chuang bing du xue za zhi = Zhonghua shiyan he linchuang bingduxue zazhi = Chinese journal of experimental and clinical virology·2002
Same author

Chiral synthesis and enzymatic resolution of (S)-(-)piperazine-2-carboxylic acid using enzyme alcalase.

Enantiomer·2002
Same author

[The model of piggyback orthotopic liver transplantation in pigs].

Hunan yi ke da xue xue bao = Hunan yike daxue xuebao = Bulletin of Hunan Medical University·2002
Same author

[The manifestations of 496 cases with thyroid-related immune orbitopathy and normal thyroid function].

[Zhonghua yan ke za zhi] Chinese journal of ophthalmology·2002
Same author

[A study of cytokines in pathogenesis of thyroid-related immune orbitopathy].

[Zhonghua yan ke za zhi] Chinese journal of ophthalmology·2002
Same author

[Analysis of hepatitis G virus genotypes in some areas of China].

Zhonghua yu fang yi xue za zhi [Chinese journal of preventive medicine]·2002
Same journal

Adaptive Dynamics of Quantitative Traits in a Steadily Changing Environment.

Genetics·2026
Same journal

Functional Landscape of Zebrafish Gonadotropins and Receptors: A Comprehensive Genetic Analysis.

Genetics·2026
Same journal

Synergistic actions of Nup43 and Myosin VI drive actin cone assembly during Drosophila spermiogenesis.

Genetics·2026
Same journal

Identification of two Cryptococcus neoformans heme transporters involved in Fhb1-mediated nitrosative stress protection in a fission yeast model.

Genetics·2026
Same journal

Analysis of a hypomorphic mei-P26 mutation reveals coordination between developmental programming of germ cells and meiotic chromosome dynamics.

Genetics·2026
Same journal

Neural and Genetic Mechanisms Regulating Copulation Latency in Male Drosophila melanogaster.

Genetics·2026
See all related articles

Half-tetrads, recovered meiotic products, offer insights into genetic recombination and chromosome mapping. This study derives relationships between half-tetrad and ordered tetrad probabilities to analyze interference and centromere positions.

Area of Science:

  • Genetics
  • Molecular Biology
  • Bioinformatics

Background:

  • Half-tetrads, containing two meiotic products from a single meiosis, are observed in various organisms.
  • They provide valuable data for studying genetic recombination, including chromatid and chiasma interference, as well as centromere mapping.
  • Understanding half-tetrad formation is crucial for detailed genetic analysis.

Purpose of the Study:

  • To establish mathematical relationships between multilocus half-tetrad probabilities and multilocus ordered tetrad probabilities.
  • To derive constraints on half-tetrad probabilities based on the absence of chromatid interference.
  • To demonstrate the application of these relationships for analyzing chiasma interference and mapping centromeres using half-tetrad data.

Main Methods:

Related Experiment Videos

  • Derivation of probability relations for different half-tetrad types and marker configurations.
  • Formulation of equality and inequality constraints from the assumption of no chromatid interference.
  • Application of derived relations to simulated or experimental multilocus half-tetrad data.

    • Main Results:

    • Established quantitative links between half-tetrad and ordered tetrad probabilities across various genetic scenarios.
    • Identified specific constraints on half-tetrad probabilities indicative of no chromatid interference.
    • Demonstrated the utility of these probabilistic relationships for empirical genetic studies.

    Conclusions:

    • The derived relationships provide a robust framework for analyzing genetic data from half-tetrads.
    • This approach enables precise investigation of meiotic interference patterns and centromere mapping.
    • The study offers valuable tools for geneticists utilizing half-tetrad data in diverse organisms.