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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...
Epigenetic Regulation01:37

Epigenetic Regulation

Epigenetic changes alter the physical structure of the DNA without changing the genetic sequence and often regulate whether genes are turned on or off. This regulation ensures that each cell produces only proteins necessary for its function. For example, proteins that promote bone growth are not produced in muscle cells. Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
X-chromosome...
Epigenetic Regulation01:46

Epigenetic Regulation

Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
Epigenetic Regulation01:46

Epigenetic Regulation

Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
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...

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Related Experiment Video

Updated: May 18, 2026

Optimized Analysis of DNA Methylation and Gene Expression from Small, Anatomically-defined Areas of the Brain
13:11

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Published on: July 12, 2012

Epigenetics and the environment in bioethics.

Charles Dupras, Vardit Ravitsky, Bryn Williams-Jones

    Bioethics
    |October 3, 2012
    PubMed
    Summary
    This summary is machine-generated.

    Molecular epigenetics reveals how environmental factors impact gene expression, highlighting the need for bioethics to address public health and environmental responsibility. This expands the scope of bioethics to include environmental justice.

    Keywords:
    bioethicsdeterminants of healthenvironmentepigeneticspublic healthresponsibility

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    Published on: July 12, 2012

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    Area of Science:

    • Bioethics
    • Public Health
    • Molecular Epigenetics

    Background:

    • Health is significantly influenced by diverse environmental factors across social, economic, geographic, and cultural contexts.
    • Traditional bioethics often focuses on individualistic, rights-based approaches, potentially overlooking broader environmental influences on health.

    Purpose of the Study:

    • To argue for the integration of environmental and public health concerns into bioethics.
    • To leverage molecular epigenetics research to support an expanded scope for bioethics.

    Main Methods:

    • Reviewing scientific literature on molecular epigenetics and its link to environmental exposures.
    • Analyzing the relationship between genetics and epigenetics, emphasizing environmental impact on gene expression.
    • Contrasting individualistic and communitarian perspectives within bioethics.

    Main Results:

    • Molecular epigenetics demonstrates a direct link between environmental factors and gene expression.
    • Environmental influences on health are substantial, affecting both individuals and populations.
    • A communitarian, responsibility-oriented view (Potterian) is better suited to address environmental justice and public health.

    Conclusions:

    • Molecular epigenetics provides a scientific basis for expanding bioethics to include environmental and public health issues.
    • Bioethics should adopt a communitarian framework to promote environmental responsibility and ensure justice.
    • Integrating environmental concerns is crucial for improving population health outcomes.