title: Evolutionary biology. The problem of variation.
authors: D L
authors: DL
authors: Stern
mesh_terms: D000818:Animals; D005075:Biological Evolution; D004247:DNA; D004268:DNA-Binding Proteins / Q000235:genetics; D029721:Drosophila Proteins; D004331:Drosophila melanogaster / Q000196:embryology / Q000235:genetics*; D019143:Evolution, Molecular; D005260:Female; D018507:Gene Expression Regulation, Developmental; D014644:Genetic Variation; D008297:Male; D009154:Mutation; D010858:Pigmentation / Q000235:genetics*; D012727:Sex Characteristics; D012726:Sexual Behavior, Animal; D014157:Transcription Factors / Q000235:genetics
chemical_list: C093752:Bric-a-brac protein 1, Drosophila; D004268:DNA-Binding Proteins; D029721:Drosophila Proteins; D014157:Transcription Factors; D004247:DNA