Parishes in Louisiana. Louisiana is divided into 64 parishes, in the same way that 48 of the other states of the U.S. are divided into counties (Alaska is divided into boroughs and census areas). Types of local government. Parishes: Parishes are Louisiana's equivalent to counties in most states.
The types of tests and how they work are reviewed in the following links: 1  The Genetics of Prader-Willi Syndrome: An Explanation for the Rest of Us. 2  Gene Tests-Gene Clinics: Prader-Willi Syndrome has lots of fairly academic information on inheritance, genes, genetic testing, and prenatal testing.
Prader-Willi syndrome is a complex genetic condition that affects many parts of the body. In infancy, this condition is characterized by weak muscle tone (hypotonia), feeding difficulties, poor growth, and delayed development.ost cases of Prader-Willi syndrome (about 70 percent) occur when a segment of the paternal chromosome 15 is deleted in each cell.