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Related Concept Videos

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.
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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...
Inheritance01:25

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Gregor Mendel's pioneering work on the principles of inheritance fundamentally transformed our understanding of how traits are transmitted from generation to generation. His experiments with pea plants laid the groundwork for the discovery of genes, discrete units within organisms that control heredity.
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Epigenetic Regulation01:46

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

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Epigenetics and transgenerational transfer: a physiological perspective.

D H Ho1, W W Burggren

  • 1Department of Biological Sciences, University of North Texas, 1155 Union Circle #305220, Denton, TX 76203-5017, USA. daoho@my.unt.edu

The Journal of Experimental Biology
|December 17, 2009
PubMed
Summary
This summary is machine-generated.

Epigenetics, the inheritance of traits without DNA changes, profoundly impacts animal physiology across generations. This review clarifies its links to maternal effects and integrates these concepts into future physiological studies.

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Area of Science:

  • Epigenetics and animal physiology.

Background:

  • Epigenetics involves transgenerational trait inheritance without altering DNA sequence.
  • Its impact on animal physiology is underappreciated due to limited integration in physiological studies.
  • The relationship between epigenetics and maternal/parental effects on subsequent generations' physiology remains unclear.

Purpose of the Study:

  • To clarify the overlap and distinctions between epigenetics and maternal effects.
  • To analyze existing animal physiology studies through the lens of these concepts.
  • To propose a framework for integrating epigenetics and maternal effects into future physiological research.

Main Methods:

  • Literature review and conceptual analysis.
  • Examination of existing animal physiological studies.
  • Development of an integrative conceptual framework.

Main Results:

  • Epigenetics and maternal effects share common ground but are distinct concepts.
  • Analysis reveals varied integration of epigenetic principles in physiological research.
  • A proposed construct facilitates the integration of these concepts in future studies.

Conclusions:

  • Understanding epigenetics is crucial for a comprehensive view of animal physiology.
  • Integrating epigenetic and maternal effect concepts can advance physiological research.
  • Future studies should incorporate epigenetic mechanisms to explain transgenerational physiological changes.