title: Heritability of adaptive variation: an old problem revisited.
authors.forename: V
authors.initials: V
authors.lastname: Klissouras
mesh_terms: D000222:Adaptation, Physiological / Q000235:genetics*; D004777:Environment; D015444:Exercise / Q000502:physiology; D014644:Genetic Variation; D005838:Genotype; D006801:Humans; D018482:Muscle, Skeletal / Q000502:physiology; D010101:Oxygen Consumption / Q000235:genetics; D010641:Phenotype; D005082:Physical Exertion / Q000502:physiology; D018433:Twin Studies as Topic; D014429:Twins, Dizygotic / Q000235:genetics; D014430:Twins, Monozygotic / Q000235:genetics