Genetic Testing Guide Learn The Basics  Learn The Basics • What Is Genetic Testing? • Frequently Asked Questions • The Human Genome Project • DNA, Genes And Chromosomes • Glossary • Take The Quiz   Back To Main Genetic Guide Cystic Fibrosis 'Stephen' A couple wants to start a family, but worry that they might pass along a gene that could lead to a child with cystic fibrosis. More Case Studies   Decision Guide: Breast And Ovarian Cancer Is genetic testing right for you? Consider the many factors and issues with our interactive tool. More Decision Guides Resources National Human Genome Research Institute National Society Of Genetic Counselors Ethical, Legal And Social Issues