Journal article
Chromosome inversion polymorphisms in Drosophila melanogaster III. Gametic disequilibria and the contributions of inversion clines to the Adh and Gpdh clines in Australasia
Genetica: the international journal on genetics, Vol.61(2), pp.139-146
1983
Abstract
Gametes from each of 19 Australasian collections of Drosophila melanogaster were characterised for polymorphic Adh and Gpdh allozyme loci and the two chromosome-2 common cosmopolitan inversions In(2L)t and In(2R)NS.-No consistent gametic disequilibria for the loosely linked combinations of Adh-Gpdh and Adh-In(2R)NS were found over the 19 collections. However, strong and consistent gametic disequilibria were found for the tightly linked combinations of Adh-In(2L)t and Gpdh-In(2L)t. The results for each of these four combinations agree with those previously reported for Northern-Hemisphere collections. -Notwithstanding its parallel latitudinal cline and consistent gametic disequilibrium with Adh, In(2L)t was found to account for only a small fraction of the Adh latitudinal cline in Australasia. This is consistent with the previous finding that the North American Adh latitudinal cline also exists largely independently of In(2L)t. However, In(2L)t accounts for all of the Australasian Gpdh latitudinal cline and so contrasts the finding from North American collections where the corresponding Gpdh cline exists largely independently of In(2L)t.
Details
- Title
- Chromosome inversion polymorphisms in Drosophila melanogaster III. Gametic disequilibria and the contributions of inversion clines to the Adh and Gpdh clines in Australasia
- Authors
- Wayne R Knibb (Author) - Australian National University
- Publication details
- Genetica: the international journal on genetics, Vol.61(2), pp.139-146
- Publisher
- Springer Netherlands
- Date published
- 1983
- DOI
- 10.1007/BF00123224
- ISSN
- 0016-6707
- Organisation Unit
- School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland
- Language
- English
- Record Identifier
- 99449786502621
- Output Type
- Journal article
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