title: Commentary: a gerontological perspective on Klaus Gärtner's discovery that phenotypic variability of mammals is driven by stochastic events.
authors.forename: George M
authors.initials: GM
authors.lastname: Martin
mesh_terms: D000818:Animals; D000830:Animals, Laboratory / Q000235:genetics*; D001835:Body Weight / Q000235:genetics*; D004777:Environment; D014644:Genetic Variation; D005838:Genotype; D008297:Male; D040641:Quantitative Trait Loci