Genetic Information

Why the Genome Incompletely Describes the Body

Genetic determinism—or the idea that we are fully determined by our genes taken from our parents—is now a thing of the past. Empirical evidence now shows that genes may exist but may not be expressed. The expression is controlled by some ‘epigenetic’ factors (which are also molecules) but enabled and disabled by the environment. OK, says the geneticist, let’s add the...