Chromosomes are tightly coiled structures in each of your cells that contain DNA, the code for all life. DNA is organized in segments on chromosomes called genes. Humans typically have 46 chromosomes ...

Is Obesity Genetic or Environmental? Get All the Details This article was reviewed by Lynn Marie Morski, MD, JD. Key ...

Genetics is the study of genes and how they influence characteristics and health. Through a variety of technological methods, environmental factors, and lifestyle choices, it is possible to alter some ...

Testing the biological sex of an athlete is becoming more common in sport, with governing bodies defending the practice as ...

Most clinicians still underestimate the degree to which genetic factors shape personality traits and personality development. This is not controversial within behavioral genetics, but it remains ...

In the 1990s, Lee Sweeney, a physiologist at the University of Pennsylvania, demonstrated that inserting the gene encoding insulin-like growth factor 1 (IGF-1) into the muscle cells of mice increased ...

Hair genetics can come from either parent, and multiple genes can determine hair traits, such as color, texture, and growth. Genes can also affect hair loss. Although it can run in families, this is ...

The field of genetics is undergoing a quiet revolution, and it’s happening in the laboratories where scientists are learning to resurrect the genetic blueprints of extinct species. What began as an ...