title: William Ernest Castle, pioneer mammalian geneticist.
authors: G D
authors: GD
authors: Snell
authors: S
authors: S
authors: Reed
mesh_terms: D000818:Animals; D005823:Genetics / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D008322:Mammals / Q000235:genetics; D014481:United States