Culture MediaCultural CharacteristicsQuantitative Trait, HeritablePhenotypeBreedingChromosome MappingSickle Cell TraitCrosses, GeneticModels, GeneticGenetic VariationGenotypeGenetic MarkersGenetic LinkageSelection, GeneticBiological EvolutionPersonalityReproductionPolymorphism, Single NucleotideEnvironmentMeatEpistasis, GeneticInbreedingMultifactorial InheritanceGenome-Wide Association StudyChromosomes, MammalianPhylogenySpecies SpecificityAllelesUnited StatesInheritance PatternsCattleHybrid VigorEcosystemBody SizeSexual Behavior, Animal