What Is Genetic Testing — and How Does It Work?

Molecular Detective: Tests analyze DNA to find mutations or inherited traits.
Sample Simplicity: A cheek swab or saliva sample can reveal your genetic blueprint.
Lab Decoding: Scientists extract, amplify, and sequence your DNA.
Health Forecast: Results show predispositions for certain conditions.
Family Insight: Tests trace ancestry, carrier status, and biological relationships.
Personalized Care: Doctors use genetic info to customize treatments.
Privacy Priority: DNA data storage and sharing raise key ethical concerns.
Rapid Revolution: Testing that once took months now finishes in days.
Consumer Craze: Millions have mailed in DNA kits to learn their heritage.
Future Focus: Genetic testing is evolving from diagnostics to full-scale prevention.