title: Chromosome pairing in the oögonial cells of Drosophila melanogaster.
mesh_terms: D000818:Animals; D002869:Chromosome Aberrations; D002875:Chromosomes; D003434:Crossing Over, Genetic; D003582:Cytogenetics; D004330:Drosophila; D005260:Female; D005854:Germ Cells / Q000166:cytology; D008540:Meiosis; D010063:Ovum / Q000166:cytology; D012730:Sex Chromosomes