Dana Dolinoy and her colleague's experiment, in which mice became obese and prone to cancer after a toxin introduced into the food supply changed the expression of the agouti gene, is an example of which of the following?

Question

Quizplus · Accepted Answer

The experiment described involves the introduction of a toxin that causes changes in gene expression and therefore a change in phenotype, without altering the DNA sequence itself. This is an example of epigenetic change.

Dana Dolinoy and Her Colleague's Experiment, in Which Mice Became