Comparative studies of male genital structures of hybrids and their parental species

@article{Gupta2005ComparativeSO,
  title={Comparative studies of male genital structures of hybrids and their parental species},
  author={Jai Pal Gupta},
  journal={Experientia},
  year={2005},
  volume={29},
  pages={224-225}
}
  • J. Gupta
  • Published 1 February 1973
  • Biology
  • Experientia
Körperfarbe und Strukturen des Genitalapparates sowie der Geschlechtskämme des 1. Beinpaares männlicher Hybriden aus reziproken Kreuzungen vonDrosophila bipectinata x D. malerkotliana werden beschrieben. Die Hybriden zeigen intermediäre Merkmale, wobei vergleichend die Körperfarbe mehrD. malerkotliana, die Geschlechtskämme mehrD. bipectinata ähnlich sind. 
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7 Citations
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7 Citations

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Citation Type

Male sex-comb teeth number in four species of theDrosophila bipectinata complex and their hybrids
TLDR
The number of teeth in the sex-combs of males of the Drosophila bipectinata complex differentiates species and a polygenic model of inheritance is proposed.
Male tarsal sex-comb teeth pattern in theDrosophila bipectinata complex
TLDR
Which rows of the sex-comb are the best discriminators for particular comparisons of species within theD.
The antennae and mating behaviour ofDrosophila females
The females ofDrosophila bipectinata andD. malerkotliana are able to discriminate between their own and alien males in the absence of antennae. Thus mate recognition seems to depend on contact…
Natural hybridization inDrosophila
Although at least 159 cases of interspecific hybridization between closely related species ofDrosophila have been obtained under laboratory conditions, only 7 cases of natural interspecific…
Persistence of male sterility in strains issued from hybrids between two sibling species:Drosophila simulans andD. mauritiana
TLDR
The cross between two sibling species, D. simulans and D. mauritiana, produced F1 fertile females and sterile males and introgression of genes from one species into the genome of another species appeared capable of increasing the genetic heterogeneity of the population for a long time.
Refutation of traumatic insemination in the Drosophila bipectinata species complex
TLDR
It was demonstrated that sperm occurred in the female reproductive tract as a single-integrated unit, inconsistent with the claim that sperm are injected via paired processes.
Refutation of traumatic insemination in the Drosophila bipectinata species complex: Hypothesis fails critical tests
TLDR
It was demonstrated that sperm occurred in the female reproductive tract as a single integrated unit when mating flies were experimentally separated, inconsistent with the claim that sperm are injected via paired processes.

References

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TLDR
Two new North American members of the Drosophilia cardini group are described, as well as to report some experimental hybridizations which have been carried out.
Genetical Relationship and Isolating Mechanisms in the Species Subgroup Ananassae (Sophophora, Drosophila) VI. Interspecific Cytological Divergence in the Three Species of the Ananassae Species Subgroup
TLDR
An analysis of the salivary chromosomes of the hybrid between D. ananassae and D. bipectinata indicates that the difference in the chromosomes of these two species lies in two inversion complexes one of which is in II L and the other in III R.
A New Species Closely Resembling Drosophila Melanogaster