Hours of research by our editors, distilled into minutes of clarity.
Chromosomes contain markers where short DNA sequences repeat a variable number of times from person to person. A DNA profile is constructed by identifying the number of repeats across 20 regions throughout a genome, which can be compared against a database. DNA paternity tests work similarly by comparing markers between children and their fathers. (Some readers may experience a paywall.)
A primer on genetic testing, personalized medicine, and the promise of pharmacogenomics–the use of genetics to predict an individual's response to a drug.
DNA tests tell people about their pet’s breed and attempt to predict things about its behavior and health. But for all that these tests might provide some interesting results, they need to be taken with caution. Here's a look at what we can and can't learn from our pets' DNA.
Ann was 15 weeks pregnant with her fourth child when the results of her prenatal genetic test indicated something was very wrong.
Doctors dream of “precision medicine” guided by our genes. But right now, research too often excludes people of color (w/chart).
Rules governing how police can use DNA searches in genealogy databases aren’t clear, raising civil rights and privacy concerns.
Researchers have ditched the autism-vaccine hypothesis. Here’s what they think actually causes it.
Lots of companies will now test DNA from people and their pets. How do these gene-sequencing techniques work? We explain.
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