Prenatal diagnosis is available for families with a known DNA mutation.

So where lightning might knock out a traffic light, what causes DNA mutations?

Two other examples of the many types of DNA mutations are:

"I heard about our DNA mutation, that we're no longer quite human."

Without it, the algae would suffer chromosome breaks and DNA mutations.

One possible outcome is DNA mutation, which could prevent normal gene expression.

It develops because radiation causes DNA mutations directly and indirectly.

How are they going to prevent DNA mutation?

The DNA mutations which cause the disease are X-linked recessive.

The cause is a mitochondrial DNA mutation, so most familial cases are transmitted from the mother.