A portable DNA scanner no larger than a laser printer with the ability to give results in under an hour? Surely you jest. But, given US Homeland Security and their ever growing budget, ultra-fast DNA testing kits may soon find their way to airports in the coming months.
A mother wanted to discover her son’s risk for certain diseases, so she mailed a DNA sample to genetics testing company 23and Me. The results made her cry: Her child’s genetic profile was entirely inconsistent with his family’s. What happened?
