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

26.3K
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...
26.3K
Dihybrid Crosses01:18

Dihybrid Crosses

81.9K
Overview
81.9K
Wilcoxon Signed-Ranks Test for Median of Single Population01:14

Wilcoxon Signed-Ranks Test for Median of Single Population

482
The Wilcoxon signed-rank test for the median of a single population is a nonparametric test used to evaluate whether the median of a population differs from a specified value. Unlike parametric tests, it does not require data to follow a normal distribution, making it suitable for non-normal or small samples. The test begins by calculating the difference (d) between each observation and the hypothesized median. The absolute values of these differences are ranked in ascending order, with ties...
482
Chi-square Analysis02:46

Chi-square Analysis

44.5K
The chi-square test is a statistical hypothesis test. It is used to check whether there is a significant difference between an expected value and an observed value. In the context of genetics, it enables us to either accept or reject a hypothesis, based on how much the observed values deviate from the expected values.
The chi-square test was developed by Pearson in 1990.
The first step of performing a Chi-square analysis is to establish a null hypothesis, which assumes that there is no real...
44.5K
Monohybrid Crosses01:20

Monohybrid Crosses

240.1K
Overview
240.1K

You might also read

Related Articles

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

Sort by
Same author

A pan-cancer functional atlas of ADH1A reveals its conserved role in the tumor microenvironment and immunity.

Translational cancer research·2026
Same author

Photocatalytic Markovnikov-Selective Sulfonation of Alkynes for Indoline Synthesis.

The Journal of organic chemistry·2026
Same author

CD13 identifies S100A4<sup>+</sup> immunosuppressive monocytes and predicts temozolomide benefit in glioblastoma.

Biology direct·2026
Same author

Reconfigurable logic gates and latches in noise-driven bistable systems: A mean first-passage time approach.

Physical review. E·2026
Same author

Cooperative and competitive hyperorder interactions nonlinearly reshape the collective dynamics in complex networks.

Physical review. E·2026
Same author

Integrated network toxicology and experimental validation to investigate potential mechanisms associated with aspartame-induced malignant phenotypic changes in colorectal cancer.

Naunyn-Schmiedeberg's archives of pharmacology·2026

Related Experiment Video

Updated: Mar 2, 2026

Development of Targeting Induced Local Lesions IN Genomes TILLING Populations in Small Grain Crops by Ethyl Methanesulfonate Mutagenesis
08:36

Development of Targeting Induced Local Lesions IN Genomes TILLING Populations in Small Grain Crops by Ethyl Methanesulfonate Mutagenesis

Published on: July 16, 2019

12.4K

Mapping QTLs controlling kernel dimensions in a wheat inter-varietal RIL mapping population.

Ruiru Cheng1, Zhongxin Kong1, Liwei Zhang1

  • 1Crop Genomics and Bioinformatics Center and College of Agricultural Sciences, Nanjing Agricultural University, Jiangsu, 210095, People's Republic of China.

TAG. Theoretical and Applied Genetics. Theoretische Und Angewandte Genetik
|May 21, 2017
PubMed
Summary

Seven quantitative trait loci (QTLs) for wheat kernel dimensions were identified. Kernel thickness is the most crucial trait for improving grain weight and wheat yield.

More Related Videos

Identifying Mutations by High Resolution Melting in a TILLING Population of Rice
06:10

Identifying Mutations by High Resolution Melting in a TILLING Population of Rice

Published on: September 2, 2019

7.8K
Transverse Sectioning of Mature Rice Oryza sativa L. Kernels for Scanning Electron Microscopy Imaging Using Pipette Tips as Immobilization Support
05:22

Transverse Sectioning of Mature Rice Oryza sativa L. Kernels for Scanning Electron Microscopy Imaging Using Pipette Tips as Immobilization Support

Published on: January 25, 2022

4.4K

Related Experiment Videos

Last Updated: Mar 2, 2026

Development of Targeting Induced Local Lesions IN Genomes TILLING Populations in Small Grain Crops by Ethyl Methanesulfonate Mutagenesis
08:36

Development of Targeting Induced Local Lesions IN Genomes TILLING Populations in Small Grain Crops by Ethyl Methanesulfonate Mutagenesis

Published on: July 16, 2019

12.4K
Identifying Mutations by High Resolution Melting in a TILLING Population of Rice
06:10

Identifying Mutations by High Resolution Melting in a TILLING Population of Rice

Published on: September 2, 2019

7.8K
Transverse Sectioning of Mature Rice Oryza sativa L. Kernels for Scanning Electron Microscopy Imaging Using Pipette Tips as Immobilization Support
05:22

Transverse Sectioning of Mature Rice Oryza sativa L. Kernels for Scanning Electron Microscopy Imaging Using Pipette Tips as Immobilization Support

Published on: January 25, 2022

4.4K

Area of Science:

  • Plant genetics
  • Agricultural science
  • Crop improvement

Background:

  • Kernel morphology and weight in wheat (Triticum aestivum L.) significantly impact crop yield and quality.
  • The intricate genetic underpinnings governing these traits and their interrelationships remain incompletely elucidated.

Purpose of the Study:

  • To investigate the genetic factors influencing kernel morphology in wheat.
  • To analyze the association between kernel morphology traits and overall kernel weight.

Main Methods:

  • Evaluated kernel length (KL), width (KW), and thickness (KT), alongside hundred-grain weight (HGW).
  • Utilized a recombinant inbred line population from a Nanda2419 × Wangshuibai cross across five trials.
  • Conducted a whole-genome scan to identify quantitative trait loci (QTLs).

Main Results:

  • Hundred-grain weight (HGW) showed a stronger correlation with kernel thickness (KT) and width (KW) than with kernel length (KL).
  • Identified seven kernel dimension QTLs across five chromosomes, including novel major QTLs for KL (QKl.nau-2D) and KT (QKt.nau-4B, QKt.nau-5A).
  • Increased KW and KT, coupled with reduced KL/KT and KW/KT ratios, consistently led to significantly higher grain weight.

Conclusions:

  • Kernel thickness emerges as the most critical dimension for enhancing wheat grain weight and yield.
  • Lines with specific Nanda 2419 alleles on chromosomes 4B and 5A exhibited wider, thicker, rounder kernels and a 14% increase in grain weight.
  • Mapping and identifying markers for kernel dimension QTLs are vital for achieving targeted wheat breeding objectives.