title: Quantitative variation of chromosomal polymorphism in natural populations of Drosophila ananassae.
mesh_terms: D000818:Animals; D002875:Chromosomes; D004330:Drosophila; D005260:Female; D005787:Gene Frequency; D014644:Genetic Variation; D006579:Heterozygote; D006720:Homozygote; D011110:Polymorphism, Genetic