Genes, RecessivePedigreeConsanguinityPolycystic Kidney, Autosomal RecessiveHomozygoteMutationSyndromeDNA Mutational AnalysisRetinitis PigmentosaGenetic LinkagePhenotypeChromosome MappingMutation, MissenseLod ScoreAbnormalities, MultipleMicrocephalyHeterozygoteIchthyosisHypotrichosisCodon, NonsenseMolecular Sequence DataIchthyosiform Erythroderma, CongenitalExons