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 /ËlÃ¦n.kÃ¦stÉr/ is a charter city in northern Los Angeles County, in the Antelope Valley of the western Mojave Desert in Southern California. As of 2013, Lancaster was the 31st largest city in California. Lancaster is part of a twin city complex with its southern neighbor Palmdale and together they are the principal cities within the Antelope Valley region and California's High Desert. Lancaster is located approximately 70 miles (110 km) north (by highway) of downtown Los Angeles, near the Kern County line. It is separated from the Los Angeles Basin by the San Gabriel Mountains to the south, and from Bakersfield and the San Joaquin Valley by the Tehachapi Mountains to the north.