Which statement best describes how epigenetic modifications influence chromatin structure and gene expression?
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Correct answer: They alter chromatin packaging and DNA accessibility, not sequence
Epigenetic modifications (DNA methylation, histone modifications, nucleosome remodeling) change chromatin structure and DNA accessibility to the transcription machinery, without altering the underlying DNA sequence.
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More Gene Regulation and Epigenetics questions
- Which of the following processes is an example of epigenetic regulation in mammals?
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