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 ...

Forty years ago, a postdoctoral researcher named James McGrath who would go on to spend more than three decades as a clinical geneticist and research scientist at Yale, made a discovery that advanced ...

Smile dimples aren't caused by a dominant gene — a biologist explains the muscle quirk behind them, and two surprising body ...

Bivalve mollusks display one of the most intriguing exceptions to strict maternal inheritance of mitochondria in the animal kingdom. In many bivalves, a system known as doubly uniparental inheritance ...

The COVID-19 pandemic gave us tremendous perspective on how wildly symptoms and outcomes can vary between patients experiencing the same infection. How can two people infected by the same pathogen ...

Most people with ALS don’t have a family history of it. Still, some cases of ALS are linked to inheriting specific gene mutations. Even nonfamilial cases can be linked to sporadic gene mutations that ...

The Department of Biology offers courses to explore a vast array of biological questions to all students. This includes University Core courses for non-majors, the introductory curriculum that ...