A study of 470,000 people reveals that the APOE gene could be behind 90% of Alzheimer's cases in the world today.

"Monogenic" diseases, triggered by mutations in just one gene, may actually be more complex than scientists thought.

Most cases of immunoglobulin A (IgA) nephropathy are sporadic (or idiopathic), occurring over time for reasons experts don't fully understand. Research suggests that genetic factors are involved in ...

For more than a century, Mendelian genetics has shaped how we think about inheritance: one gene, one trait. It is a model that still echoes through textbooks—and one that is increasingly reaching its ...