Scientists currently estimate that over 10,000 of human diseases are known to be monogenic. Pure genetic diseases are caused by a single error in a single gene in the human DNA. The nature of disease depends on the functions performed by the modified gene.
Lancaster, Wisconsin. Lancaster is a city in and the county seat of Grant County, Wisconsin, United States. The population was 3,868 at the 2010 census.
Columbus, Wisconsin. Columbus is a city in Columbia (mostly) and Dodge Counties in the south-central part of the U.S. state of Wisconsin. The population was 4,991 at the 2010 census. All of this population resided in the Columbia County portion of the city. Columbus is located about 28 miles (45 km) northeast of Madison on the Crawfish River.