Culture MediaCultural CharacteristicsQuantitative Trait, HeritableSickle Cell TraitPhenotypeBreedingChromosome MappingCrosses, GeneticModels, GeneticGenotypeGenetic VariationGenetic MarkersGenetic LinkagePersonalitySelection, GeneticMeatPolymorphism, Single NucleotideMultifactorial InheritanceEpistasis, GeneticInbreedingBiological EvolutionReproductionGenome-Wide Association StudyChromosomes, MammalianEnvironmentHybrid VigorInheritance Patterns