Drosophila Proteins/metabolism; Drosophila melanogaster/embryology; Drosophila melanogaster/metabolism; Heterogeneous-Nuclear Ribonucleoprotein Group F-H/metabolism; Protein Biosynthesis; RNA-Binding Proteins/metabolism; Repressor Proteins/metabolism; Amino Acid Sequence; Animals; Animals, Genetically Modified; Body Patterning; Drosophila Proteins/genetics; Drosophila melanogaster/anatomy & histology; Drosophila melanogaster/genetics; Female; Gene Expression Regulation, Developmental; Heterogeneous-Nuclear Ribonucleoprotein Group F-H/genetics; Molecular Sequence Data; Nucleic Acid Conformation; Oocytes/cytology; Oocytes/metabolism; Oogenesis/physiology; Ovary/cytology; Ovary/physiology; RNA, Messenger/chemistry; RNA, Messenger/metabolism; RNA-Binding Proteins/genetics; Recombinant Fusion Proteins/genetics; Recombinant Fusion Proteins/metabolism; Repressor Proteins/genetics; Sequence Alignment