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Related Experiment Video

Updated: Feb 24, 2026

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[Pre-programmed genes].

János Szabad1

  • 1Orvosi Biológiai Intézet, Szegedi Tudományegyetem, Általános Orvostudományi Kar Szeged, Somogyi u. 4., 6720.

Orvosi Hetilap
|August 22, 2017
PubMed
Summary

Epigenesis, or epigenetics, involves mechanisms like DNA methylation that regulate gene expression by controlling chromatin compactness. Understanding epigenetics is key to improving organismal life and health.

Keywords:
environmental effectsgenetic imprintinggenetikai bevésődéskörnyezeti hatásokmonoallelic inheritancemonoallélikus öröklődésnem-mendeli genetikanon-mendalian geneticsreciprocal crossreciprok keresztezés

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Area of Science:

  • Molecular Biology
  • Genetics
  • Cell Biology

Background:

  • Cellular function relies on precise protein levels, regulated by gene expression.
  • Gene expression is controlled by DNA-encoded information and chromatin accessibility.
  • Chromatin compactness, influenced by epigenetic mechanisms, dictates gene accessibility.

Purpose of the Study:

  • To provide an overview of epigenesis (epigenetics).
  • To explain the meaning and impact of epigenesis on organisms.
  • To guide improvements in life through understanding epigenetics.

Main Methods:

  • Review of genetic crosses to identify epigenetic involvement.
  • Explanation of epigenetic mechanisms, including DNA methylation and chromatin regulation.
  • Summary of existing literature on epigenesis.

Main Results:

  • Genetic crosses demonstrate the role of epigenesis in inheritance.
  • Epigenetic mechanisms regulate gene expression via chromatin structure.
  • Epigenesis significantly impacts the life and traits of organisms.

Conclusions:

  • Epigenesis is a crucial layer of gene regulation beyond DNA sequence.
  • Understanding epigenetics offers pathways to enhance health and well-being.
  • Further research into epigenetics can yield significant biological and medical insights.