Your genes code for all your traits. Some genes are dominant and expressed if you receive a copy from one parent. Others are recessive and only apparent if you receive a copy from both parents. Genes ...

For more than a century, heredity has been framed through the tidy logic of Mendel’s pea plants: traits pass from parent to ...

Genetic testing can be a fearful, daunting, overwhelming, exciting, or joyful experience. In many cases, the emotions of people who pursue genetic testing can be described with more than just one of ...

A new study suggests that the long-standing Mendelian view of genetics has some blind spots.

While lifestyle choices, including diet and activity level, play an important role in a person's risk of obesity, genetics can also shape natural tendencies toward weight gain or loss. In fact, genes ...

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 ...