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 ...

Seven strains of the Central American A1 mating series of Didymium iridis were crossed in all possible combinations. Individual plasmodia were isolated and grown to a stage where total DNA could be ...

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 ...

Largescale changes in the genome inherited from parents are significant risk factors for pediatric solid tumors, such as Ewing sarcoma, neuroblastoma, and osteosarcoma, according to a new study. The ...

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.