A study of the differentiation of bracts in Drosophila melanogaster using two mutations, H 2  and sv de .
D000818:Animals; D002454:Cell Differentiation; D004331:Drosophila melanogaster / Q000166:cytology / Q000196:embryology*; D006197:Hair / Q000196:embryology; D009024:Morphogenesis; D009154:Mutation; D010641:Phenotype