Chromosomal polymorphism in Drosophila nasuta. III. Inverted gene arrangements in South Indian populations.
Inversion polymorphism, including a total of 33 inverted gene orders, was studied in South Indian populations of D. nasuta nasuta. Of these, the X chromosome has one, chromosome 2 has 10, and chromosome 3 has 22 inversions. D. nasuta nasuta has simple, tandem, included, overlapping, and complex types of paracentrics in its polymorphic system. The phylogenetic considerations of these gene orders are discussed.
D002869:Chromosome Aberrations; D007446:Chromosome Inversion; D002874:Chromosome Mapping; D002875:Chromosomes; D004330:Drosophila; D005828:Genetics, Population; D007194:India; D011110:Polymorphism, Genetic; D012469:Salivary Glands / Q000648:ultrastructure