The answer is C, i just did it and got it right so you can trust this answer, i wrote so much because of the 20 character thing
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The study of how food interacts with genes is known as Nutritional Genomics, that encompasses nutrigenomics, which explores the effects of nutrients in the genome, proteome and metabolome, as well as nutrigenetics, whose main goal is to elucidate the effect of genetic variations on the interaction between diet and disease.
Genes and the environment