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Related Concept Videos

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...
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...
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.
Genetic Screens02:46

Genetic Screens

Genetic screens are tools used to identify genes and mutations responsible for phenotypes of interest. Genetic screens help identify individuals or a group of people at risk of developing  genetic diseases and help them with early intervention, targeted therapy, and reproductive options.
Forward genetic screens
Forward or “classical” genetic screens involve creating random mutations in an organism’s DNA using radiation, mutagens, or insertion of additional bases, which result in visible changes...
Introduction to Biological Bases of Psychology01:30

Introduction to Biological Bases of Psychology

Biopsychology serves as a vital bridge connecting the intricate domains of biology and psychology, shedding light on how biological systems influence psychological phenomena. This field scrutinizes the biological substrates of behavior and mental processes, emphasizing the nervous system along with the roles of neurotransmitters, hormones, and genetics. It also incorporates evolutionary perspectives to explain the adaptive nature of mental functions.
The nervous system, the cornerstone of...
Genomics02:02

Genomics

Genomics is the science of genomes: it is the study of all the genetic material of an organism. In humans, the genome consists of information carried in 23 pairs of chromosomes in the nucleus, as well as mitochondrial DNA. In genomics, both coding and non-coding DNA is sequenced and analyzed. Genomics allows a better understanding of all living things, their evolution, and their diversity. It has a myriad of uses: for example, to build phylogenetic trees, to improve productivity and...

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Related Experiment Video

Updated: May 17, 2026

Automated, Quantitative Cognitive/Behavioral Screening of Mice: For Genetics, Pharmacology, Animal Cognition and Undergraduate Instruction
16:23

Automated, Quantitative Cognitive/Behavioral Screening of Mice: For Genetics, Pharmacology, Animal Cognition and Undergraduate Instruction

Published on: February 26, 2014

Is behavioral genetics 'too-big-to-know' science?

Marco Battaglia1

  • 1Academic Centre for the Study of Behavioural Plasticity, Vita-Salute San Raffaele University, 20127 Milan, Italy. marco.battaglia@unisr.it

The Behavioral and Brain Sciences
|October 26, 2012
PubMed
Summary

New molecular findings challenge behavioral genetics, suggesting gene-environment interactions are key. Epigenetic effects can be integrated into classical behavioral genetics models.

Area of Science:

  • Behavioral Genetics
  • Molecular Biology
  • Genomics

Background:

  • Classical behavioral genetics models often assume gene-environment independence.
  • Emerging molecular findings suggest a more complex interplay between genes and environment.
  • The field of neogenomics has raised new expectations regarding genetic influences.

Purpose of the Study:

  • To evaluate the impact of new molecular findings on behavioral genetics.
  • To reconcile neogenomic expectations with empirical evidence.
  • To explore the integration of epigenetic and gene expression effects into existing models.

Main Methods:

  • Review of recent molecular findings and concepts.
  • Analysis of evidence supporting gene-environment interdependence.

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Large-Scale Multi-Omics Genome-Wide Association Studies (Mo-GWAS): Guidelines for Sample Preparation and Normalization

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Last Updated: May 17, 2026

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  • Theoretical integration of epigenetic and gene expression data.

    • Main Results:

    • Several molecular discoveries challenge traditional behavioral genetics assumptions.
    • Some neogenomic predictions are not supported by current data.
    • Epigenetic and gene expression mechanisms can be incorporated into classical models.

    Conclusions:

    • Gene-environment interdependence is crucial and supported by molecular data.
    • Classical behavioral genetics needs to adapt to incorporate these complex interactions.
    • Epigenetic and gene expression effects, though complex, are amenable to integration.