In Mendelian inheritance patterns, you receive one version of a gene, called an allele, from each parent. These alleles can be dominant or recessive. Non-Mendelian genetics don’t completely follow ...

Genetic testing can help doctors diagnose some neurological disorders, such as Huntington’s disease. It can also provide insights into a person’s risk of future health conditions. Genetic testing ...

— 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, ...

Forbes contributors publish independent expert analyses and insights. Recent breakthroughs in genetics research may have uncovered new genes underlying common psychiatric disorders. Schizophrenia and ...

Gaucher disease, a rare genetic disorder, often goes undiagnosed due to symptoms mimicking common ailments. Affecting the spleen, liver, and bones, it's also linked to an increased risk of Parkinson's ...

Researchers have uncovered shared genetic pathways that link multiple psychiatric disorders. These new findings have the potential to change the way psychiatric disorders are diagnosed and treated, ...

"It's a slow-moving train wreck," Mike Graglia says about his 12-year-old son Tony's rare genetic disease with no cure. Caused by a tiny fluke of nature—a mutation in a gene known as a SYNGAP1—the non ...

Rare genetic traits are features that are uncommon within the general population. They can lead to different observable features or to rare physical abilities. Rare genetic traits are typically ...