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

Multiple Allele Traits01:49

Multiple Allele Traits

38.3K
The Concept of Multiple Allelism
38.3K
Genetic Variation01:25

Genetic Variation

1.5K
Genetic variation is the diversity in DNA sequences found among individuals of the same species. This diversity is crucial for a species' survival because it helps organisms adapt to environmental changes. Genetic variation begins with fertilization, where an egg and sperm cell merge. Each of these cells carries 23 chromosomes, up to 46 in the fertilized egg. Chromosomes are long DNA strands that contain genes, the basic units of heredity.
Genes exist in different versions called alleles,...
1.5K
Heritability01:06

Heritability

686
Heritability is a statistical concept that measures the degree to which genetic differences among individuals contribute to trait variations within a population. It is a fundamental idea in genetics, often prone to misinterpretation. Heritability is expressed as a percentage, reflecting the proportion of variation in a specific trait across a population that can be linked to genetic differences. However, it's important to understand that heritability does not determine how "genetic"...
686
Trihybrid Crosses02:27

Trihybrid Crosses

26.2K
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...
26.2K
Polygenic Traits01:18

Polygenic Traits

69.3K
When more than one gene is responsible for a given phenotype, the trait is considered polygenic. Human height is a polygenic trait. Studies have uncovered hundreds of loci that influence height, and there are believed to be many more. Due to the high number of genes involved, as well as environmental and nutritional factors, height varies significantly within a given population. The distribution of height forms a bell-shaped curve, with relatively few individuals in the population at the...
69.3K
Punnett Squares01:00

Punnett Squares

126.3K
Overview
126.3K

You might also read

Related Articles

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

Sort by
Same author

Genotype-environment interactions in elephant grass: identifying superior genotypes for energy.

Brazilian journal of biology = Revista brasleira de biologia·2026
Same author

Bivariable model for determining the optimal growth conditions of plant growth-promoting bacteria.

Brazilian journal of biology = Revista brasleira de biologia·2025
Same author

Enzyme activity and morphological changes in corn hybrids inoculated with Azospirillum brasilense via seed treatment and leaf.

Brazilian journal of biology = Revista brasleira de biologia·2025
Same author

Selection of black bean pre-cultivars based on adaptability and stability for the State of Rio de Janeiro.

Brazilian journal of biology = Revista brasleira de biologia·2025
Same author

Development of maize under different pH values, humidity and presence of Azospirillum brasilense.

Brazilian journal of biology = Revista brasleira de biologia·2025
Same author

Insight into microbiological control potential of pathogens in a veterinary hospital.

The Journal of hospital infection·2024
Same journal

Diallel crosses for resistance to Macrophomina phaseolina and Thanatephorus cucumeris on cowpea.

Genetics and molecular research : GMR·2017
Same journal

Coupled transcript and metabolite identification: insights on induction and synthesis of resveratrol in peanut, wild relatives and synthetic allotetraploid.

Genetics and molecular research : GMR·2017
Same journal

Estimates of genetics and phenotypics parameters for the yield and quality of soybean seeds.

Genetics and molecular research : GMR·2017
Same journal

In silico modeling and characterization of phytoparasitic nematodes translationally-controlled tumor proteins.

Genetics and molecular research : GMR·2017
Same journal

Molecular identification of variety purity in a cotton hybrid with unknown parentage using DNA-SSR markers.

Genetics and molecular research : GMR·2017
Same journal

Cotton genotypes selection through artificial neural networks.

Genetics and molecular research : GMR·2017
See all related articles

Related Experiment Video

Updated: Feb 21, 2026

Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach
04:35

Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach

Published on: July 3, 2020

3.8K

Diversity among elephant grass genotypes using Bayesian multi-trait model.

D A Rossi1, R F Daher2, T C Barbé2

  • 1Faculdade Venda Nova do Imigrante, Venda Nova do Imigrante, ES, Brasil.

Genetics and Molecular Research : GMR
|October 4, 2017
PubMed
Summary
This summary is machine-generated.

This study estimated genetic diversity in elephant grass for biomass energy. Promising genotypes were identified for developing high-energy hybrids, indicating potential for improved biomass production.

More Related Videos

A PCR-based Genotyping Method to Distinguish Between Wild-type and Ornamental Varieties of Imperata cylindrica
12:01

A PCR-based Genotyping Method to Distinguish Between Wild-type and Ornamental Varieties of Imperata cylindrica

Published on: February 20, 2012

32.2K
Methods for Performing Crosses in Setaria viridis, a New Model System for the Grasses
08:35

Methods for Performing Crosses in Setaria viridis, a New Model System for the Grasses

Published on: October 1, 2013

22.3K

Related Experiment Videos

Last Updated: Feb 21, 2026

Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach
04:35

Development of an Individual-Tree Basal Area Increment Model using a Linear Mixed-Effects Approach

Published on: July 3, 2020

3.8K
A PCR-based Genotyping Method to Distinguish Between Wild-type and Ornamental Varieties of Imperata cylindrica
12:01

A PCR-based Genotyping Method to Distinguish Between Wild-type and Ornamental Varieties of Imperata cylindrica

Published on: February 20, 2012

32.2K
Methods for Performing Crosses in Setaria viridis, a New Model System for the Grasses
08:35

Methods for Performing Crosses in Setaria viridis, a New Model System for the Grasses

Published on: October 1, 2013

22.3K

Area of Science:

  • Agronomy
  • Plant Breeding
  • Bioenergy

Background:

  • Elephant grass (Pennisetum purpureum) is a key perennial tropical grass for biomass energy generation.
  • Understanding genetic diversity is crucial for selecting elite genotypes for enhanced biomass production.

Purpose of the Study:

  • To estimate genetic diversity among elephant grass accessions using morpho-agronomic and biomass quality traits.
  • To identify promising genotypes for developing hybrids with high energetic biomass production capacity.

Main Methods:

  • Evaluation of 52 elephant grass genotypes in a randomized block design.
  • Application of a Bayesian multi-trait model to estimate variance components and genotypic means.
  • Estimation of Mahalanobis distance to assess genetic dissimilarity between genotypes.

Main Results:

  • Genotypic variance estimates indicated potential for genetic gains across all evaluated traits.
  • Greater variability was observed in biomass quality traits (forming 3 groups) compared to agronomic traits (forming 2 groups).
  • Specific crosses like Mercker Pinda México x Mercker 86-México were identified as promising for hybrid development.

Conclusions:

  • Significant genetic diversity exists within elephant grass accessions for biomass energy applications.
  • Selection of diverse genotypes is key for breeding programs targeting high-yield energy crops.
  • Identified crosses offer a strategic pathway for developing superior elephant grass hybrids for bioenergy.