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Genetic structure and variability in two species of endemic Hawaiian Drosophila

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Title:Genetic structure and variability in two species of endemic Hawaiian Drosophila
Authors:Steiner, William W.M.
Carson, Hampton L.
Keywords:Drosophila mimica
Drosophila engyochracea
LC Subject Headings:Drosophila -- Hawaii -- Hawaii Island.
Drosophila -- Genetics.
Date Issued:Dec 1974
Publisher:Island Ecosystems IRP, U.S. International Biological Program
Citation:Steiner WWM, Carson HL 1974. Genetic structure and variability in two species of endemic Hawaiian Drosophila. Honolulu (HI): Island Ecosystems IRP, U.S. International Biological Program. International Biological Program Technical Report, 50. 65 pages.
Series:International Biological Program Technical Report
50
Abstract:Two endemic sympatrically occurring Hawaiian Drosophila species found in closely adjacent Kipuka Ki and Kipuka Puaulu on the island of Hawaii have been examined at about 20 electrophoretic loci for the extent of their genetic variability. In D. mimica, 47.6% of such loci were polymorphic, with individuals polymorphic at ~ 19% of their loci on the average. For D. engyochracea, these figures are 30% and = 12%. Levels of variability appear to be higher in Kipuka Ki populations of both species. In addition, higher numbers of alleles are observed in D. engyochracea than are expected from predictions based on the neutral gene hypothesis. The evolutionary advantages of such high levels of variability are discussed and the suggestion is made that the genetic variability in these species serves some adaptive function.
Description:Reports were scanned in black and white at a resolution of 600 dots per inch and were converted to text using Adobe Paper Capture Plug-in.
Pages/Duration:65 pages
URI/DOI:http://hdl.handle.net/10125/29129
Rights:CC0 1.0 Universal
http://creativecommons.org/publicdomain/zero/1.0/
Appears in Collections: International Biological Program Technical Reports (1970-1975)


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