Genetic variation at 59 gene loci coding for enzymes (50) and larval proteins (9) has been studied in sympatric populations of Drosophila melanogaster and D. simulans from insular and continental origin. The average number of alleles per locus, the mean proportion of polymorphic loci and the mean he
Electrophoretic variability in island populations ofDrosophila simulansandDrosophila immigrans
β Scribed by William W. M. Steiner; Ki Chang Sung; Y. K. Paik
- Book ID
- 104785181
- Publisher
- Springer
- Year
- 1976
- Tongue
- English
- Weight
- 575 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0006-2928
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β¦ Synopsis
Genetic structure and variability were investigated in several Hawaiian populations of D. simulans and D. immigrans. Genetic variability is lower in Hawaiian populations of D. simulans than in Texas populations, and allelic differences exist as well. For D. immigrans, Hawaiian and Korean populations are similar in variability, allelic content, and gene frequencies. Several hypothesis are advanced to account for the patterns in gene variation observed between island and continental populations of these two colonizing species.
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Sequential electrophoresis, using three different buffer systems on cellulose acetate gels, was used to characterize the allelic variation for esterase-2 in two populations of D. buzzatii in Australia that are separated by 550 km. Twenty-five alleles were detected, of which nine were unique to one p