Epigenetic modifications and gene expression: What enzyme is responsible for major histone modifications? What is Histone code and its significance?
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What are epigenetic modifications? Epigenetic modifications are changes in gene expression that do not involve changes in the DNA sequence itself. These modifications can be passed down from one generation to the next and can be influenced by environmental Show more…
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I am wondering if anyone could help me further explain how histone modification affects gene expression, and what is the difference between histone modifications and DNA methylation? If possible, please discuss an interesting article/paper that you found interesting about gene expression related to histone modification/DNA methylation.
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Which type of histone modification allows activation of gene expression?
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How are histone modifications inherited or passed down through generations? What is the nature of histone modification "tag" or "marker" that turns genes off or on? Are histone modifications an environmentally-induced epigenetic change? Explain.
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