A gene (or genetic) regulatory network (GRN) is a collection of molecular regulators that interact with each other and with other substances in the cell to govern the gene expression levels of mRNA and proteins which, in turn, determine the function of the cell. GRNs also play a central role in morphogenesis, the creation of body structures, which is central to evolutionary developmental biology (evo-devo).
A gene (or genetic) regulatory network (GRN) is a collection of molecular regulators that interact with each other and with other substances in the cell to govern the gene expression levels of mRNA and proteins which, in turn, determine the function of the cell. GRNs also play a central role in morphogenesis, the creation of body structures, which is central to evolutionary developmental biology (evo-devo).
Source: Wikipedia "Gene regulatory network" · CC BY-SA 4.0
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