23andMe Will Charge $1,200 a Year to Test DNA for Genetic Risks

23andMe Holding Co., the genetic-testing company best known for helping people discover their ancestral roots and inherited food aversions, is rolling out a new product to help customers better understand and manage health risks hidden in their DNA.

The service — available in November for $1,188 a year — allows people to sequence their entire exome, the tiny portion of DNA that researchers estimate is responsible for the vast majority of disease-causing genetic variants. Customers will also be connected to health-care practitioners who can help them manage genetic vulnerabilities, and receive twice-yearly blood tests to check their progress.

The move is another step in 23andMe’s ...