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  • 1
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 337 (1989), S. 696-696 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR-Von Schantz et al.l report that in a population of Swedish pheasants, male spur length is positively correlated with male viability and with male mating success. It is not clear why males with longer spurs survive better, but their greater mating success appears to be explained in this ...
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 311 (1984), S. 100-100 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR - The investigation by Sir Douglas Black (see Nature 26 July, p.263) into the alleged increased incidence of cancer in West Cumbria usefully suggested what further research is needed, especially the measurement of radiation dose actually received and whether metabolic differences between ...
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 338 (1989), S. 115-116 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Do sage grouse males congregate at display grounds (leks) and strut before prospective mates to advertise their free-dom from parasites? Hamilton and Zuk a few years ago proposed that resistance to parasites may be reflected in secondary sexual characters, allowing females to pick mates resistant ...
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  • 4
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 359 (1992), S. 781-781 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR - Coyne suggests1 that the adaptive divergence of 'ordinary' genes explains reproductive isolation, in particular Hal-dane's rule that unisexual sterility or inviability is limited to the heterogametic sex. Others have proposed that 'novel' genetic phenomena make a large con-tribution to ...
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  • 5
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 347 (1990), S. 616-617 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] LEKS are assemblies of males that females visit solely for the purpose of mating. An outstanding puzzle about leks is the extreme skew in the distribution of male matings - one male achieves nearly all || of the copulations, most of the others none. Several male cues are known to affect female mate ...
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 344 (1990), S. 495-496 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 377 (1995), S. 420-422 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Let be a male trait used by females in mate choice and p be the strength of female preference. We assume that both / and are sex-limited and have a polygenic basis. The per generation change in the mean values caused by Fisher's runaway process BG 0 (1) where G, and Gp ...
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  • 8
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 363 (1993), S. 396-397 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FACED with malaria, those who are heterozygous for the sickle-cell gene are immune to attack, and are at an advantage over both normal homozygotes and sickle-cell homozygotes (who suffer severely from sickle-cell disease). The pity then is that heterozygote parents cannot produce exclusively ...
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  • 9
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 368 (1994), S. 494-495 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MOLECULAR biology is steadily making its way into studies of evolutionary processes, and the results are generally illuminating, sometimes contradictory and almost always intriguing. The latest turn in events is reported by Meyer, Morrissey and Schartl on page 539 of this issue . Their particular ...
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  • 10
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 370 (1994), S. 29-29 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] GAMES are a way of thinking. They lie at the foundation of much theoretical work, especially recent developments in evolutionary biology. Insight has come from asking abstract and - at first sight - silly questions. What if inheritance was blending? How do populations evolve with three sexes? What ...
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