title: Fine-structure analysis of the chromosome recombinational patterns at the base of the X-chromosome of Drosophila melanogaster.
mesh_terms: D000818:Animals; D002869:Chromosome Aberrations; D002874:Chromosome Mapping; D003433:Crosses, Genetic; D003434:Crossing Over, Genetic; D003582:Cytogenetics; D004331:Drosophila melanogaster; D005804:Genes, Lethal; D005816:Genetic Complementation Test; D006570:Heterochromatin; D006579:Heterozygote; D011995:Recombination, Genetic; D012730:Sex Chromosomes
chemical_list: D006570:Heterochromatin