Each cell expresses, or turns on, only a fraction of its genes. The rest of the genes are repressed, or turned off. The process of turning genes on and off is known as gene regulation. Gene regulation can occur at any point during gene expression, but most commonly occurs at the level of , when the information in a gene’s DNA is transferred to mRNA.
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Each cell expresses, or turns on, only a fraction of its genes. The rest of the genes are repressed,...
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