Genes, RecessiveConsanguinityPedigreeGenetic Predisposition to DiseaseMutationPolycystic Kidney, Autosomal RecessiveHomozygoteSyndromeDNA Mutational AnalysisGenetic LinkagePhenotypeChromosome MappingMutation, MissenseLod ScoreRetinitis PigmentosaHeterozygoteMicrocephalyAbnormalities, MultipleAllelesGenotypeHaplotypesMolecular Sequence DataExonsIchthyosisCodon, NonsenseHypotrichosisBase SequenceFrameshift MutationGenetic TestingGenes, DominantFamily HealthIchthyosiform Erythroderma, CongenitalGenetic MarkersIntellectual DisabilityMicrosatellite RepeatsGenetic HeterogeneityPakistanHeterozygote DetectionPolymorphism, GeneticFounder EffectIchthyosis, LamellarDeafnessFanconi AnemiaPolymorphism, Single NucleotideExomePolymorphism, Single-Stranded ConformationalDwarfismAmino Acid SequenceGerm-Line MutationGene FrequencyRecQ HelicasesAge of OnsetOsteochondrodysplasiasHearing Loss, SensorineuralChromosomes, Human, Pair 2Cerebellar AtaxiaMuscular DystrophiesPoint MutationPolymerase Chain ReactionFamilyChromosomes, Human, Pair 1ArabsBloom SyndromeAtaxia TelangiectasiaOsteopetrosisBone Diseases, DevelopmentalJewsEye Diseases, HereditaryInfant, NewbornMetabolism, Inborn ErrorsChromosome DisordersAlbinism, OculocutaneousNails, MalformedSequence Analysis, DNAGenetic Diseases, InbornDisease SusceptibilityCharcot-Marie-Tooth DiseasePenetranceSarcoglycansCase-Control StudiesSequence DeletionDisease Models, AnimalRothmund-Thomson SyndromeEye ProteinsFriedreich AtaxiaEctodermal DysplasiaMuscular Atrophy, SpinalCutis LaxaDysostosesElectroretinographyCystinosisCrosses, GeneticMice, Mutant StrainsHearing LossTunisiaRetinal DegenerationChromosomes, Human, Pair 19Membrane ProteinsSurvival of Motor Neuron 1 ProteinAmino Acid Metabolism, Inborn Errors