Cystic fibrosis is a monogenic autosomal recessive disease caused by mutations in the CFTR gene (chromosome 7). More than 1250 mutations have been reported. Nearly 70% of all cases are caused by the delta F508 allele, with 30 other mutations accounting for a further 20% of cases.
Sponsored Topics. Lawson is a city in Clay and Ray counties in the U.S. state of Missouri. The population was 2,336 at the 2000 census. Lawson is located at 39Â°26â²16â³N 94Â°12â²29â³W / 39.43778Â°N 94.20806Â°W / 39.43778; -94.20806 (39.437848, -94.207973).
Ellington is a city in Reynolds County, Missouri, United States. The population was 1,045 at the 2000 census. In 1925, the infamous Tri-State Tornado began just northwest of Ellington. Ellington is located at 37Â°14â²21â³N 90Â°58â²11â³W / 37.23917Â°N 90.96972Â°W / 37.23917; -90.96972 (37.239103, -90.969669). According to the United States Census Bureau, the city has a total area of 1.4 square miles (3.7 kmÂ²), all of it land.