Genetic variation is the foundation of human diversity, enabling differences in traits such as height, eye color, or blood type. Some sequence variants also cause inherited diseases, including sickle ...

The Centers for Disease Control and Prevention listed the COVID-19 delta variant as one of its "variants of concern" (VOCs) on June 15. According to the CDC, VOCs can be more contagious, more ...

Genetic inheritance may sound straightforward: One gene causes one trait or a specific illness. When doctors use genetics, it’s usually to try to identify a disease-causing gene to help guide ...

New research helps explain why disease-associated genetic variants can lead to variable clinical outcomes, influenced both by the patterns of secondary variants, or genetic background, and by how ...

The genetic roots of a disease or disorder do not always grow into clear cut, easily diagnosed clinical features. Even if a parent and child have the same genetic marker implicated in an outcome, such ...