Sex ChromosomesTrisomySex Chromosome AberrationsChromosomesChromosome MappingSyndromeX ChromosomeChromosomes, Human, Pair 13Sex Chromosome DisordersChromosomes, Human, Pair 18Chromosome AberrationsDown SyndromeY ChromosomeKaryotypingAneuploidyChromosomes, Human, Pair 21Chromosome BandingChromosome DisordersChromosomes, Human, XIn Situ Hybridization, FluorescenceTurner SyndromeNondisjunction, GeneticChromosomes, Human, YSex Determination ProcessesChromosomes, HumanChromosome PairingChromosomes, PlantSileneChromosomes, Human, 16-18X Chromosome InactivationMosaicismMeiosisChromosome SegregationChromosomes, Human, Pair 1Chromosomes, Human, 13-15Genes, Y-LinkedKlinefelter SyndromeGenes, X-LinkedChromosome PaintingChromosomes, Artificial, BacterialChromosomes, BacterialChromosomes, Human, Pair 7PlatypusChromosome DeletionSex CharacteristicsChromosomes, Human, Pair 11Chromosomes, InsectChromosomes, Human, Pair 17Sex ChromatinChromosomes, Human, Pair 15Chromosomes, Human, Pair 6Chromosomes, FungalPrenatal DiagnosisChromosomes, MammalianXYY KaryotypeChromosomes, Human, Pair 9Translocation, GeneticGenetic LinkageSpermatocytesGenes, sryChromosomes, Human, Pair 22Chromosomes, Human, 6-12 and XPachytene StageNuchal Translucency MeasurementChromosome StructuresEvolution, MolecularDosage Compensation, GeneticChromosomes, Human, Pair 2Maternal AgeChromosomes, Human, Pair 16DiploidyChromosomes, Human, Pair 4CaricaPregnancyChromosomes, Human, Pair 10Sex FactorsChromosomes, Human, Pair 8Chromosomes, Human, Pair 19Cytogenetic AnalysisChromosomes, Human, Pair 5Genetic MarkersPregnancy-Associated Plasma Protein-AChromosomes, Human, Pair 20Chromosomes, Human, Pair 12Abortion, SpontaneousChromosomes, Human, 1-3Sex DifferentiationMolecular Sequence DataChorionic Gonadotropin, beta Subunit, HumanAbnormalities, MultipleChromosomes, Human, 21-22 and YRecombination, GeneticChromosome InversionChromosomes, Human, Pair 14Base SequenceChromosomes, Artificial, YeastFetal DiseasesMetabolic Syndrome XCrosses, GeneticChromosome Breakage