title: Radiation-induction of fractional mutations in Drosophila.
mesh_terms: D000818:Animals; D004307:Dose-Response Relationship, Radiation; D004331:Drosophila melanogaster / Q000502:physiology / Q000528:radiation effects*; D005787:Gene Frequency; D008297:Male; D009154:Mutation; D011831:Radiation Genetics; D013094:Spermatozoa / Q000528:radiation effects; D014965:X-Rays