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 County, Pennsylvania. Not to be confused with Lancaster City, Pennsylvania. Lancaster County local /ËlÃ¦Åkáµ»stÉr/, (Pennsylvania German: Lengeschder Kaundi) sometimes nicknamed the Garden Spot of America or Pennsylvania Dutch Country, is a county located in the south central part of the Commonwealth of Pennsylvania. As of the 2010 census, the population was 519,445. Its county seat is Lancaster.