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 ...

The human genome is a rich, complex record of migration, encounters, and inheritance written over thousands of millennia.

Geneticists have a better understanding of how prehistoric pairings unfolded, with new research suggesting they were mostly ...

Retinitis pigmentosa (RP) is an eye condition that can be genetic. In this way, people usually need to inherit two copies of a genetic variation that causes RP, one coming from each parent. RP may ...

Hemophilia is a bleeding disorder that can affect the blood’s ability to clot properly. In most cases, people inherit the gene variations for hemophilia in an X-linked recessive inheritance pattern.

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 ...

Obesity is a complex disorder that is dependent on environmental and genetic factors. Severe obesity, which is otherwise known as class III obesity, is a chronic condition that increases the risk of ...

How much of our lifespan is written in our genes, and how much is sitting on our plates? A new analysis suggests that while ...