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 Concept Videos

Trihybrid Crosses02:27

Trihybrid Crosses

Trihybrid Crosses
Some of Mendel’s crosses examined three pairs of contrasting characteristics. Such a cross is called a trihybrid cross. A trihybrid cross is a combination of three individual monohybrid crosses. For example, plant height (tall vs. short), seed shape (round vs. wrinkled), and seed color (yellow vs. green).
The F1 generation plants of a trihybrid cross are heterozygous for all three traits and produce eight gametes. Upon self-fertilization, these gametes have an equal chance to...
Karyotyping01:17

Karyotyping

Describing the number and physical features of chromosomes can reveal abnormalities that underlie genetic diseases. This description is facilitated by special staining techniques that produce a particular banding pattern on each chromosome. State-of-the-art techniques make this approach even more powerful, enabling the detection of individual genes that cause disease.A Simple Chromosome Staining Technique Provides Valuable Scientific InsightSome genetic diseases can be detected by looking at...
Dihybrid Crosses01:18

Dihybrid Crosses

Overview
Monohybrid Crosses01:20

Monohybrid Crosses

Overview

You might also read

Related Articles

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

Sort by
Same author

Phylogenetic analysis and machine learning identify signatures of selection and predict deleterious mutations in common bean (Phaseolus vulgaris L.).

BMC biology·2026
Same author

Wastewater Surveillance to Inform Cancer Epidemiology and Evidence-Based Interventions.

Environmental science & technology·2026
Same author

Comparative genomics of Sneathia species: insights into pathogenicity and adaptation to the human niche.

BMC microbiology·2026
Same author

Translating functional molecular knowledge into crop-breeding success.

Nature reviews. Genetics·2026
Same author

The incomplete dominance of gene expression controlled by Trans-eQTL hotspots contributes to heterosis in maize.

Nature communications·2026
Same author

Proof-of-concept of host attribution of antimicrobial resistance genes using wastewater Hi-C metagenome sequencing.

Journal of water and health·2026

Related Experiment Video

Updated: Jun 18, 2026

Discrimintion and Mapping of the Primary and Processed Transcripts in Maize Mitochondrion Using a Circular RT-PCR-based Strategy
07:26

Discrimintion and Mapping of the Primary and Processed Transcripts in Maize Mitochondrion Using a Circular RT-PCR-based Strategy

Published on: July 29, 2019

A first-generation haplotype map of maize.

Michael A Gore1, Jer-Ming Chia, Robert J Elshire

  • 1United States Department of Agriculture-Agriculture Research Service (USDA-ARS), USA.

Science (New York, N.Y.)
|December 8, 2009
PubMed
Summary
This summary is machine-generated.

Researchers analyzed genetic diversity in maize, identifying millions of sequence polymorphisms. Highly divergent haplotypes and variable recombination rates were found, impacting selection and heterosis in this important crop.

More Related Videos

Improved Methods for Preparing Transverse Sections and Unrolled Whole Mounts of Maize Leaf Primordia for Fluorescence and Confocal Imaging
06:11

Improved Methods for Preparing Transverse Sections and Unrolled Whole Mounts of Maize Leaf Primordia for Fluorescence and Confocal Imaging

Published on: September 22, 2023

Lateral Root Inducible System in Arabidopsis and Maize
09:23

Lateral Root Inducible System in Arabidopsis and Maize

Published on: January 14, 2016

Related Experiment Videos

Last Updated: Jun 18, 2026

Discrimintion and Mapping of the Primary and Processed Transcripts in Maize Mitochondrion Using a Circular RT-PCR-based Strategy
07:26

Discrimintion and Mapping of the Primary and Processed Transcripts in Maize Mitochondrion Using a Circular RT-PCR-based Strategy

Published on: July 29, 2019

Improved Methods for Preparing Transverse Sections and Unrolled Whole Mounts of Maize Leaf Primordia for Fluorescence and Confocal Imaging
06:11

Improved Methods for Preparing Transverse Sections and Unrolled Whole Mounts of Maize Leaf Primordia for Fluorescence and Confocal Imaging

Published on: September 22, 2023

Lateral Root Inducible System in Arabidopsis and Maize
09:23

Lateral Root Inducible System in Arabidopsis and Maize

Published on: January 14, 2016

Area of Science:

  • Plant genetics
  • Crop science
  • Genomics

Background:

  • Maize (Zea mays) is a vital global crop with significant genetic diversity.
  • Understanding this diversity is crucial for crop improvement and adaptation.
  • Previous studies have hinted at complex genomic structures influencing maize traits.

Purpose of the Study:

  • To survey genetic diversity across diverse maize inbred lines.
  • To identify sequence polymorphisms and analyze haplotype structures.
  • To investigate recombination rate variation and its impact on selection and heterosis.

Main Methods:

  • Genotyping of millions of sequence polymorphisms in 27 maize inbred lines.
  • Analysis of haplotype divergence and recombination rate variation across the maize genome.
  • Identification of selective sweeps and highly differentiated genomic regions.

Main Results:

  • Discovery of millions of sequence polymorphisms and highly divergent haplotypes.
  • Identification of 10- to 30-fold variation in recombination rates, with suppressed recombination in pericentromeric regions.
  • Detection of hundreds of selective sweeps and differentiated regions linked to geographic adaptation.
  • Evidence that suppressed recombination influences selection effectiveness and may contribute to heterosis.

Conclusions:

  • The genetic architecture of maize includes highly divergent haplotypes and variable recombination.
  • Pericentromeric regions with suppressed recombination play a role in selection and heterosis.
  • Identified genomic regions provide targets for understanding geographic adaptation.
  • This genetic diversity survey offers a foundation for global breeding efforts and genome-wide association studies for complex traits.