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Related Concept Videos

Lethal Alleles02:41

Lethal Alleles

Agouti: A Lethal Allele
Lucien Cuénot discovered lethal alleles in 1905 while studying the inheritance of coat color in mice. The agouti gene is responsible for the color of the coat in mice. This gene codes for an agouti-signaling protein, which is responsible for melanin distribution in mammals. The wild-type allele gives rise to gray-brown coat color in mice, while the mutant allele gives rise to yellow coat color. In addition to coat color, the agouti gene is associated with the yellow...
Incomplete Dominance01:43

Incomplete Dominance

Gregor Mendel's work (1822 - 1884) was primarily focused on pea plants. Through his initial experiments, he determined that every gene in a diploid cell has two variants called alleles inherited from each parent. He suggested that amongst these two alleles, one allele is dominant in character and the other recessive. The combination of alleles determines the phenotype of a gene in an organism.
Human Genetics01:28

Human Genetics

Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
Cell Specific Gene Expression01:58

Cell Specific Gene Expression

Multicellular organisms contain a variety of structurally and functionally distinct cell types, but the DNA in all the cells originated from the same parent cells. The differences in the cells can be attributed to the differential gene expression. Liver cells, whose functions include detoxification of blood, production of bile to metabolize fats, and synthesis of proteins essential for metabolism, must express a specific set of genes to perform their functions. Gene expression also varies with...
Genome-wide Association Studies-GWAS01:11

Genome-wide Association Studies-GWAS

Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...
Exon Recombination02:32

Exon Recombination

The evolution of new genes is critical for speciation. Exon recombination, also known as exon shuffling or domain shuffling, is an important means of new gene formation. It is observed across vertebrates, invertebrates, and in some plants such as potatoes and sunflowers. During exon recombination, exons from the same or different genes recombine and produce new exon-intron combinations, which might evolve into new genes. 
Exon shuffling follows “splice frame rules.” Each exon has three reading...

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Related Experiment Video

Updated: Jun 8, 2026

Assessment of Murine Exercise Endurance Without the Use of a Shock Grid: An Alternative to Forced Exercise
07:52

Assessment of Murine Exercise Endurance Without the Use of a Shock Grid: An Alternative to Forced Exercise

Published on: August 14, 2014

Linking genes with exercise: where is the cut-off?

Martin Flueck, David Vaughan, Håkan Westerblad

    European Journal of Applied Physiology
    |October 14, 2010
    PubMed
    Summary

    Understanding gene-phenotype links in exercise physiology is crucial. This editorial highlights current limitations in identifying mechanistically important genetic relationships.

    Area of Science:

    • Exercise physiology
    • Human genetics
    • Molecular biology

    Background:

    • Gene-phenotype associations are a key research area in exercise physiology.
    • Identifying the mechanistic basis of these associations remains challenging.

    Discussion:

    • Current methods may not fully capture the complex interplay between genes and physical traits.
    • Limitations exist in pinpointing specific molecular pathways driving exercise-related phenotypes.

    Key Insights:

    • Focusing on mechanistically important relationships is vital for advancing the field.
    • A deeper understanding of gene function in response to exercise is needed.

    Outlook:

    • Future research should prioritize elucidating the precise molecular mechanisms underlying gene-phenotype associations.

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    A Chronic High-Intensity Interval Training and Diet-Induced Obesity Model to Maximize Exercise Effort and Induce Physiologic Changes in Rats

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    Related Experiment Videos

    Last Updated: Jun 8, 2026

    Assessment of Murine Exercise Endurance Without the Use of a Shock Grid: An Alternative to Forced Exercise
    07:52

    Assessment of Murine Exercise Endurance Without the Use of a Shock Grid: An Alternative to Forced Exercise

    Published on: August 14, 2014

    Human Skeletal Muscle Biopsy Procedures Using the Modified Bergström Technique
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    Human Skeletal Muscle Biopsy Procedures Using the Modified Bergström Technique

    Published on: September 10, 2014

    A Chronic High-Intensity Interval Training and Diet-Induced Obesity Model to Maximize Exercise Effort and Induce Physiologic Changes in Rats
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    A Chronic High-Intensity Interval Training and Diet-Induced Obesity Model to Maximize Exercise Effort and Induce Physiologic Changes in Rats

    Published on: April 28, 2023

  • This will enable more targeted interventions and personalized exercise prescriptions.