If neither parent carries the abnormal gene, their child will not have this type of disease.

Genetic testing may also be available to identify abnormal genes.

Infants who receives the abnormal gene from both parents do not often live beyond a few months.

Only the abnormal gene can be passed on to offspring in this case.

Many different abnormal genes have been found that can cause Pick's disease.

Someone who has one abnormal gene (but no symptoms) is called a carrier.

A carrier can pass this abnormal gene to his or her children.

None of the abnormal gene can be found in your blood (complete molecular response).

You or your partner carries an abnormal gene that is known to cause a certain disease.

He doesn't have the abnormal genes but I do.