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Related Concept Videos

Gene-Environment Interactions01:20

Gene-Environment Interactions

Gene expression is a dynamic process that is significantly influenced by environmental factors. This interaction underlies the complex nature of biological development and the phenotypic differences observed among individuals, even among those with identical genetic makeups. Factors such as radiation, temperature, behavior, nutrition, and stress play pivotal roles in determining how genes are expressed. The concept of the reaction range is central to understanding this interaction. It posits...
Background and Environment Affect Phenotype02:27

Background and Environment Affect Phenotype

Although the genetic makeup of an organism plays a major role in determining the phenotype, there are also several environmental factors, such as temperature, oxygen availability, presence of mutagens, that can alter an organism’s phenotype.
An example of how genetic background affects phenotype can be seen in horses. The Extension gene in horses is responsible for their coat color. A wild-type gene (EE) produces black pigment in the coat, while a mutant gene (ee) produces red pigment. A...
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...
Nature and Nurture01:10

Nature and Nurture

Many human characteristics, like height, are shaped by both nature—in other words, by our genes—and by nurture, or our environment. For example, chronic stress during childhood inhibits the production of growth hormones and consequently reduces bone growth and height. Scientists estimate that 70-90% of variation in height is due to genetic differences among individuals, and 10-30% of variation in height is due to differences in the environments that individuals experience, such as differences...
Causes of Social Behavior III: Biological and Environmental Influences01:28

Causes of Social Behavior III: Biological and Environmental Influences

Social behavior is a complex phenomenon that arises from the interaction between biological predispositions and environmental influences. This intricate interplay shapes how individuals think, feel, and act in various social contexts. Understanding these mechanisms requires insights from psychology, neuroscience, genetics, and evolutionary theory.Environmental Influences on Social BehaviorEnvironmental factors, including temperature, odors, and visual stimuli, play a crucial role in shaping...

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Related Experiment Video

Updated: Jul 10, 2026

Gene-environment Interaction Models to Unmask Susceptibility Mechanisms in Parkinson's Disease
08:09

Gene-environment Interaction Models to Unmask Susceptibility Mechanisms in Parkinson's Disease

Published on: January 7, 2014

Biometric and developmental gene-environment interactions: looking back, moving forward.

James Tabery1

  • 1Department of Philosophy, University of Utah, Salt Lake City, UT 84112, USA. tabery@philosophy.utah.edu

Development and Psychopathology
|October 13, 2007
PubMed
Summary
This summary is machine-generated.

Gene-environment interaction (G x E) research has historically involved two distinct concepts: biometric (G x EB) and developmental (G x ED). Understanding their separate legacies supports an integrative approach to studying complex traits.

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Using Cholesky Decomposition to Explore Individual Differences in Longitudinal Relations between Reading Skills
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Using Cholesky Decomposition to Explore Individual Differences in Longitudinal Relations between Reading Skills

Published on: September 17, 2019

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Gene-environment Interaction Models to Unmask Susceptibility Mechanisms in Parkinson's Disease
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Gene-environment Interaction Models to Unmask Susceptibility Mechanisms in Parkinson's Disease

Published on: January 7, 2014

Using Cholesky Decomposition to Explore Individual Differences in Longitudinal Relations between Reading Skills
06:52

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Published on: September 17, 2019

Area of Science:

  • Genetics
  • Developmental Biology
  • Biostatistics

Background:

  • Gene-environment interaction (G x E) research has evolved from two distinct conceptual origins: R. A. Fisher's biometric concept (G x EB) and Lancelot Hogben's developmental concept (G x ED).
  • Historical research on G x E has been characterized by separate developments and disputes between proponents of these two concepts.

Discussion:

  • This article examines recent attempts to differentiate G x E concepts, including statistical interaction, interactionism, and Michael Rutter's distinction between statistical and biological interaction.
  • The historical trajectory of G x EB and G x ED concepts is analyzed in relation to contemporary distinctions.
  • Rutter's analysis is presented as better supported by the historical divergence of G x EB and G x ED.

Key Insights:

  • The historical duality of biometric and developmental concepts of G x E has shaped research trajectories.
  • Michael Rutter's framework for understanding G x E aligns with the historical evolution of its distinct conceptualizations.
  • Recognizing the separate legacies of G x EB and G x ED is crucial for advancing G x E research.

Outlook:

  • An integrative relationship between scientists studying G x E in complex traits is facilitated by understanding these historical distinctions.
  • Future research can benefit from a unified conceptual framework that acknowledges the diverse origins of G x E research.
  • This historical perspective provides a foundation for resolving conceptual disputes and fostering collaboration in G x E research.