Pedigrees of the families 10 and 25 with possible haplotypes for the PKD1 associated polymorphic markers and pedigree of family 11 with possible haplotypes for the PKD2 associated polymorphic markers. Black boxes or circles indicate the affected and empty ones the healthy family members. Crossed over boxes or circles designate deceased family members. Numbers indicate lengths of PCR products (in bp) for different alleles of the chosen microsatellites. Names of the PKD1 and PKD2 associated polymorphic markers are located on the left of the haplotype bars.