Question: Which of the following best describes a mechanism involved in differential gene expression? Choose 1 answer: Choice A) regulation of how much mRNA is produced from a gene A regulation of how much mRNA is produced from a gene (Choice B) regulation of whether a chromosome is inside or outside the nucleus B regulation of whether a chromosome is inside or outside the nucleus (Choice C) regulation of how much of a protein is turned into mRNA C regulation of how much of a protein is turned into mRNA