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  1. Epigenetics - Wikipedia

    Epigenetics is the study of changes in gene expression that occur without altering the DNA sequence. [1] . The Greek prefix epi- (ἐπι- "over, outside of, around") in epigenetics implies …

  2. Epigenetics, Health, and Disease | Genomics and Your Health | CDC

    Jan 31, 2025 · Epigenetics refers to how your behaviors and environment can cause changes that affect the way your genes work. Unlike genetic changes (mutations), epigenetic changes are …

  3. What Is Epigenetics? - Cleveland Clinic

    Feb 16, 2024 · Epigenetics is one way that scientists learn how the things around us and the choices we make change the way our genes work. We often think of genes as factors we have …

  4. Epigenetics | Definition, Inheritance, & Disease | Britannica

    Nov 13, 2025 · epigenetics, the study of the chemical modification of specific genes or gene-associated proteins of an organism. Epigenetic modifications can define how the information in …

  5. What is epigenetics?: MedlinePlus Genetics

    Jun 11, 2021 · Epigenetic changes are modifications to DNA that regulate whether genes are turned on or off. These modifications are attached to DNA and do not change the sequence of …

  6. Epigenetics - National Human Genome Research Institute

    3 days ago · Epigenetics is an emerging field of science that studies heritable changes caused by the activation and deactivation of genes without any change in the underlying DNA sequence …

  7. What is epigenetics? - Genomics Education Programme

    Put simply, epigenetics is a way of influencing how our genome is regulated without the DNA code itself being changed. Epigenetics can determine when genes are turned on and off (also …

  8. What is Epigenetics? Unlocking the Code Beyond DNA

    Apr 19, 2025 · Epigenetics is the study of changes in gene expression that do not involve alterations to the underlying DNA sequence. These changes are influenced by a variety of …

  9. How Epigenetics Shapes Your Genes and Health - Biology Insights

    5 days ago · Understand the layer of instruction above your DNA. Learn how diet, stress, and environment actively control which genes are turned on or off.

  10. Epigenetics: How Environment Shapes Gene Expression | Cogn-IQ

    Dec 3, 2025 · Epigenetics—from the Greek prefix "epi" meaning "upon" or "above"—refers to mechanisms that regulate gene activity without altering the DNA sequence itself.