Sex and parental experience determine the onset of an instinctive behavior in mice.
D000818:Animals; D005260:Female; D007323:Instinct; D008297:Male; D008425:Maternal Behavior; D051379:Mice; D008815:Mice, Inbred Strains / Q000502:physiology*; D010332:Paternal Behavior; D012737:Sex Factors