Crosses, GeneticChromosome MappingLa Crosse virusGenetic LinkagePhenotypeMutationRecombination, GeneticAllelesMice, Inbred StrainsGenotypeGenesMolecular Sequence DataEncephalitis, CaliforniaSpecies SpecificityBase SequenceEncephalitis Virus, CaliforniaMice, Inbred C57BLHybridization, GeneticBunyaviridaeHybrid VigorBreeding