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I was wondering if there is a mechanism that can give priority to certain genes to be accurately duplicated. Some sort of trigger that says "double-check this specific gene before continuing with the duplication". A mechanism that would say: "double check this part, it's important" isn't known to me neither, but if I understood your question ...


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Yes differentiation is primarily about using only a portion of the genome as you pointed out. However, differentiated cells possess a kind of "memory" which enables the daughter cells to continue the usage of the same set of genes. This "memory" is enabled by epigenetic mechanisms which leave inheritable "marks" on the DNA such as methylation (I won't ...



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