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Genetics
How Epigenetic Tags Control Genes
Description
Epigenetic tags can change how genes work without changing the DNA sequence itself. In genetics research, scientists have long seen heritable traits that are not explained by changes in the nucleotide sequence of DNA. These differences are linked to chemical and protein-based controls that act on genes.
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Transcript
The field of epigenetics, whose definition is highly contested, broadly refers to the study of heritable differences in gene function that cannot be explained by DNA sequence changes. The term “epigenetics” was first introduced by Conrad Waddington in the 1950s, to explain how diverse cell types in the body could arise from on...
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