The agouti locus helps determine coat color in mice, and this phenotype can vary from light to dark between genetically identical individuals. You have discovered a drug that reduces the variation in the agouti phenotype. What is a likely explanation for this drug's mechanism of action?

Question

Quizplus · Accepted Answer

The agouti phenotype variation is often due to epigenetic changes, such as DNA methylation. Inhibiting DNA methyl transferases would reduce methylation, leading to less variation in phenotype.

The Agouti Locus Helps Determine Coat Color in Mice, and This