Behavioural studies in different strains of mice and the problem of heterosis.
D000818:Animals; D001362:Avoidance Learning; D001835:Body Weight; D004558:Electric Stimulation; D004644:Emotions; D004777:Environment; D005106:Exploratory Behavior; D005260:Female; D005824:Genetics, Behavioral; D006823:Hybrid Vigor; D006824:Hybridization, Genetic; D008297:Male; D051379:Mice; D012737:Sex Factors