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Related Concept Videos

Genetic Variation01:25

Genetic Variation

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, which...
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...
Behavioral Genetics and Its Designs01:23

Behavioral Genetics and Its Designs

Behavior genetics explores how genetic inheritance influences human behavior. It focuses on how genes, passed from parents to offspring, contribute to the development of behavioral traits and tendencies. This branch of genetics seeks to understand the complex interplay between inherited genetic factors and environmental influences in shaping our behaviors.
The primary methodologies used in behavior genetics include family studies, twin studies, and adoption studies, each providing unique...
Multiple Allele Traits01:49

Multiple Allele Traits

The Concept of Multiple Allelism
Principles of Pharmacogenetics: Types of Genetic Variants01:27

Principles of Pharmacogenetics: Types of Genetic Variants

The human genome is over 99.9% identical between individuals, yet genetic differences exist at millions of bases. The human genome contains approximately 3 million variant positions per individual, many of which are heterozygous, contributing to genetic diversity and individual traits. Genetic variations include single-nucleotide polymorphisms (SNPs), insertions, deletions, and copy number variations (CNVs).SNPs, the most common variation, involve single-base changes in DNA. These can be...
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.

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Related Experiment Video

Updated: May 19, 2026

In Vivo Modeling of the Morbid Human Genome using Danio rerio
12:31

In Vivo Modeling of the Morbid Human Genome using Danio rerio

Published on: August 24, 2013

Functional evaluation of genetic variation in complex human traits.

Derek T Peters1, Kiran Musunuru

  • 1Department of Stem Cell and Regenerative Biology, Harvard University, Sherman Fairchild Biochemistry Bldg 160, 7 Divinity Ave., Cambridge, MA 02138, USA.

Human Molecular Genetics
|September 1, 2012
PubMed
Summary

Genetic studies link variants to human traits, but functional evaluation is key. New technologies will improve understanding of genotype-phenotype relationships for complex diseases.

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Screening for Functional Non-coding Genetic Variants Using Electrophoretic Mobility Shift Assay (EMSA) and DNA-affinity Precipitation Assay (DAPA)
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Screening for Functional Non-coding Genetic Variants Using Electrophoretic Mobility Shift Assay (EMSA) and DNA-affinity Precipitation Assay (DAPA)

Published on: August 21, 2016

Related Experiment Videos

Last Updated: May 19, 2026

In Vivo Modeling of the Morbid Human Genome using Danio rerio
12:31

In Vivo Modeling of the Morbid Human Genome using Danio rerio

Published on: August 24, 2013

Screening for Functional Non-coding Genetic Variants Using Electrophoretic Mobility Shift Assay (EMSA) and DNA-affinity Precipitation Assay (DAPA)
11:35

Screening for Functional Non-coding Genetic Variants Using Electrophoretic Mobility Shift Assay (EMSA) and DNA-affinity Precipitation Assay (DAPA)

Published on: August 21, 2016

Area of Science:

  • Genetics
  • Genomics
  • Human Phenotypes

Background:

  • Genome-wide association studies (GWAS) and next-generation sequencing (NGS) provide extensive data on genetic variants associated with complex human traits and diseases.
  • Understanding the functional impact of these genetic variants is crucial for deciphering the molecular pathways involved.

Purpose of the Study:

  • To review recent functional evaluation studies of genetic variants linked to complex human traits.
  • To highlight technological advancements that can improve the identification and dissection of causal genotype-phenotype relationships.

Main Methods:

  • Review of published literature on functional evaluation of genetic variants.
  • Analysis of emerging technologies for genetic variant analysis.

Main Results:

  • Functional evaluation of novel genetic variants has shown varying degrees of success.
  • New technologies are emerging that promise to significantly enhance the ability to link genotypes to phenotypes.

Conclusions:

  • Functional characterization of genetic variants is essential for translating genetic association data into biological insights.
  • Technological advancements are poised to revolutionize the study of complex human traits by enabling more precise genotype-phenotype relationship dissection.