Final answer:
The federal agency that regulates companies like 23andMe and other gene sequencing agencies is the FDA.
Step-by-step explanation:
The federal agency that regulates companies like 23andMe and other gene sequencing agencies is the Food and Drug Administration (FDA). The FDA is responsible for protecting and promoting public health through the regulation and supervision of various products, including medical devices and pharmaceutical drugs. They ensure that these companies comply with safety and quality standards.