In humans and many other animal species, sex is determined by specific chromosomes. How did researchers discover these so-called sex chromosomes? The path from the initial discovery of sex chromosomes ...

These activities introduce ideas about heredity, observing the differences and similarities in a population, and modeling how inheritance works. Campers can think about organisms as systems in which ...

Cystic fibrosis represents one of the most common inherited genetic disorders affecting people of European descent, touching the lives of approximately 30,000 individuals in the United States alone.