In nature, some cells have the ability to detect if certain environmental signals such as hormones, drugs, or wavelengths of light are present or absent. These digital signals can then determine the analog expression level of certain genes. Our project aimed to replicate this natural process through a dCAS9 based system. Our system Gemini is able to recognize the presence (represented by a 1) or the absence (represented by a 0) of several environmental signals and change a gene's level of expression based on what combination of signals it is registering.
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