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How do epigenetic marks impact genes being turned ‘on or off’?

User Ben Straub
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15 votes
DNA Methylation
Typically, this group is added to specific places on the DNA, where it blocks the proteins that attach to DNA to “read” the gene. This chemical group can be removed through a process called demethylation. Typically, methylation turns genes “off” and demethylation turns genes “on.
User AEQ
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