The principle of ________________ is illustrated by experiments with rats wherein mothers who carry a specific gene for obesity, if fed a specific diet, will have normal-weight offspring.

Question

Quizplus · Accepted Answer

The principle illustrated is epigenesis, which refers to the way in which genes can be turned on or off by environmental factors, such as diet, leading to changes in phenotype (such as weight) without altering the genetic code itself.

The Principle of ________________ Is Illustrated by Experiments with Rats