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  • 1
    Electronic Resource
    Electronic Resource
    Genetic variation at the alcohol dehydrogenase locus inDrosophila melanogaster: A third ubiquitous allele (1982)
    Springer
    Cellular and molecular life sciences 38 (1982), S. 653-654 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary A 3rd allele at theAdh locus,Adh FCh.D., has been found at polymorphic frequencies in natural populations ofD. melanogaster. The ADH-FChD enzyme has properties distinct from those of the 2 more common forms of ADH. TheAdh polymorphism should now be analyzed as a triallelic system.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01964073
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  • 2
    Electronic Resource
    Electronic Resource
    An Apparent 20 Map-Unit Position Effect (1962)
    [s.l.] : Nature Publishing Group
    Nature 196 (1962), S. 661-662 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN investigating a polymorphism affecting sterno-plural chaeta number in Drosophila melanogaster, we have demonstrated1'2 the existence of two 'loci' with remarkable properties. We have since obtained new information about these loci which, together with a summary of the earlier knowledge, is ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/196661a0
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  • 3
    Electronic Resource
    Electronic Resource
    Recombinational Lethals in a Polymorphic Population (1959)
    [s.l.] : Nature Publishing Group
    Nature 184 (1959), S. 1593-1594 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The chromosomes studied were extracted from low chaeta-number flies from the experimental1"3 population D+. These flies were test-crossed to a 'standard' stock homozygous for the marker genes3 y, bw and st. The test-cross results agreed with the previous conclusions3 that such low chaeta-number ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1841593a0
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  • 4
    Electronic Resource
    Electronic Resource
    Isolation by Disruptive Selection (1962)
    [s.l.] : Nature Publishing Group
    Nature 193 (1962), S. 1164-1166 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THOUGH speciation is one of the more striking features of evolution, direct experimental evidence concerning the origin of species is limited. Artificial species have been made by allopoly-ploidy, but this, like any other process that involves the establishment of a new species from the hybrids ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1931164a0
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  • 5
    Electronic Resource
    Electronic Resource
    Balanced Combinations of Polygenes (1964)
    [s.l.] : Nature Publishing Group
    Nature 201 (1964), S. 736-737 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] (1) The first of these involves misrepresentation of Mather's views, for Scharloo's summary of these views includes the dogmatic statement "Polygenes have no pleiotropic action". Now Mather has been at pains to point out that linkage inter-connecting polygenic systems can have effects similar to ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/201736b0
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  • 6
    Electronic Resource
    Electronic Resource
    Selection for the Absence of Scutellar Bristles (1968)
    [s.l.] : Nature Publishing Group
    Nature 217 (1968), S. 188-190 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The base population for this experiment, Vg6 was homozygous for the recessive mutant vestigial wings (vg). This stock had been successfully selected for high sterno-pleural chaeta number for ninety-six generations4 and subsequently maintained in mass culture for 6 yr. Scutellar bristle number ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/217188a0
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  • 7
    Electronic Resource
    Electronic Resource
    fferences in the number of molecules produced by two allelic electrophoretic enzyme variantsD. melanogaster (1972)
    Springer
    Cellular and molecular life sciences 28 (1972), S. 975-976 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Résumé Les techniques immunologiques ont démontré que chezDrosophila melanogaster une forme électrophorétique «Fast» d'alcool déshydrogénase produit plus de molécules d'enzyme qu'une forme électrophorétique ‘Slow’. On expose les résultats en les comparant à d'autres suggérant des mécanismes autorégulatoire.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01924982
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  • 8
    Electronic Resource
    Electronic Resource
    Intelligence and Handedness (1973)
    [s.l.] : Nature Publishing Group
    Nature 243 (1973), S. 482-482 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Table 1 Intelligence and Handedness: Comparison of Data from Two Sources1,4 Graduate science studemts1 Academic scientists4 Numbers (handedness) 10(L) 15(R) 13(L) 132(R) Verbal IQ 142(L) 138 (R) 127.4 (L) (S.E.* = 2.65) 128.2 (R) (S.E. = 0.57) Visuo-spatial IQ 117(L) 130 (R) 120.4 (L) ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/243482b0
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  • 9
    Electronic Resource
    Electronic Resource
    Balanced Combinations of Polygenes (1964)
    [s.l.] : Nature Publishing Group
    Nature 203 (1964), S. 103-103 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We only wish to add two points. First, we had not believed Dr. Robertson attached so firm a conclusion to the results he refers to, because the conclusion can only follow on the assumption of a large number of genes none of large effect. That some of the relevant polygenes (or effective factors) ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/203103b0
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  • 10
    Electronic Resource
    Electronic Resource
    Genetic variation at the alcohol dehydrogenase locus in Drosophila melanogaster in relation to environmental variation: Ethanol levels in breeding sites and allozyme frequencies (1981)
    Springer
    Oecologia 51 (1981), S. 191-198 
    Details
    ISSN: 1432-1939
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Ethanol levels in Drosophila breeding sites in seepages of unfortified wine inside wineries have been found to be similar to those in many decaying fruits and vegetables. Fortified wine seepages inside wineries have ethanol levels on average three times as high as other breeding sites. However there was no evidence that this variation in ethanol levels was associated with differences in Adh F frequencies in D. melanogaster at sites either within wineries or outside wineries. D. simulans was at lower frequencies at sites inside wineries compared to sites outside although this difference may not be related to ethanol levels. It is concluded that adaptation to natural levels of environmental ethanol by D. melanogaster does not necessarily modify Adh frequencies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00540600
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