Name some diseases caused by a single gene:

What causes Cystic Fibrosis?

How does having Cystic Fibrosis affect the sufferer?

Inheriting Cystic Fibrosis:

Cystic Fibrosis basic information: Stats

Can gene technology help us make better decisions about ingerited diseases?

What is genetic testing?

Ethics about genetic testing:

How else can an embryo be tested?

What are some risks of this technique?