
Epigenetics - Wikipedia
Epigenetics has been defined and today is generally accepted as 'the study of changes in gene function that are mitotically and/or meiotically heritable and that do not entail a change in DNA sequence.'
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 reversible and …
What Is Epigenetics? - Cleveland Clinic
Epigenetics is the study of how our environment influences our genes by changing the chemicals attached to them. What we eat, our physical activity level, access to resources and more affect those …
Epigenetics | Definition, Inheritance, & Disease | Britannica
Dec 25, 2025 · Epigenetics, the study of the chemical modification of specific genes or gene-associated proteins of an organism.
What is epigenetics?: MedlinePlus Genetics
Jun 11, 2021 · What is epigenetics? Epigenetics is the study of how cells control gene activity without changing the DNA sequence."Epi-"means on or above in Greek,and "epigenetic" describes factors …
Epigenetics - National Institute of Environmental Health Sciences …
Sep 10, 2025 · For decades, scientists have known the basic structure of our DNA, the building blocks that make up our genes. Epigenetics is a rapidly growing area of science that focuses on the …
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 of the …
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 environmental factors …
What is Epigenetics? – Center for Epigenetics & Metabolism
Thus, epigenetics, defined as the inheritance of non-Mendelian phenotypic alterations, can give rise to heritable alterations in states of gene expression that are not linked to changes in DNA sequence.
About Epigenetics | Johns Hopkins Institute of Genetic Medicine
Two types of epigenetic disorders are imprinting disorders and Mendelian disorders of the epigenetic machinery (MDEMs). Imprinting disorders result directly from disrupted epigenetic or chromatin …