Human genetic disease, any of the diseases and disorders that are caused by mutations in one or more genes. 1  With the increasing ability to control infectious and nutritional diseases in developed countries, there has come the realization that genetic diseases are a major cause of disability, death, and human tragedy.
Lancaster is situated within the Blackland Prairie region of Texas, which is characterized by level to gently rolling topography. Ten Mile Creek and its tributaries are a major drainage feature in and around the city.
Lancaster is a city in Dallas County, Texas, United States. The population was 36,361 at the 2010 census. Founded in 1852 as a frontier post, Lancaster is one of Dallas County's earliest settlements. Today, it is a suburban community located in the Dallas-Fort Worth Metroplex, approximately 15 miles (24 km) south of Downtown Dallas.