Abstract
Zaprionus indianus, a member of the family Drosophilidae, is one of the commonest and most widespread species in India. It exploits a variety of fermenting fruits in nature. The nucleolar organizer regions (NORs), mitotic and polytene chromosomes were studied. A standard map of the polytene chromosomes has been constructed in order to locate break-points precisely for naturally occurring chromosomal rearrangements. Analysis of population samples of this species from four different geographical areas has revealed the presence of a single paracentric inversion in the second chromosome. Our quantitative data on the above inversion have confirmed the excess of inversion heterozygotes in nature.
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Gupta, J.P., Kumar, A. Cytogenetics of Zaprionus indianus Gupta (Diptera: Drosophilidae): Nucleolar organizer regions, mitotic and polytene chromosomes and inversion polymorphism. Genetica 74, 19–25 (1987). https://doi.org/10.1007/BF00055090
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DOI: https://doi.org/10.1007/BF00055090