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.
Sponsored Topics. Linden is a city in Cass County, Texas, United States. The population was 2,256 at the 2000 census. It is the county seat of Cass County. Linden is located at 33Â°0â²29â³N 94Â°21â²52â³W / 33.00806Â°N 94.36444Â°W / 33.00806; -94.36444 (33.008026, -94.364328).