title: Molecular analysis of the causes of down syndrome in a family.
abstract: Terms to be familiar with before you start to solve the test: Down Syndrome (trisomy 21), karyotype, chromosome translocation, mosaicism, minisatellites, Southern blotting, DNA fingerprinting, nondisjunction, first and second meiotic division, homologous chromosomes, sister chromatids.
authors.affiliation: Department of Medical Biology, School of Medicine, University of Pécs, H-7624 Pécs, Hungary. jozsef.szeberenyi@aok.pte.hu.
authors.forename: Jozsef
authors.initials: J
authors.lastname: Szeberenyi