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  • 1
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Spontaneous mutations are the source of genetic variation required for evolutionary change, and are therefore important for many aspects of evolutionary biology. For example, the divergence between taxa at neutrally evolving sites in the genome is proportional to the per nucleotide mutation ...
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 444 (2006), S. 680-680 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Sir We are astonished that Nature would publish a Correspondence as full of errors as that by Maciej Giertych (〈weblink url="http://www.nature.com/nature/journal/v444/n7117/full/444265d.html"〉Nature 444, 265; 2006). For someone with degrees from the universities of ...
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Macmillan Magazines Ltd.
    Nature 404 (2000), S. 431-431 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Sir Geoffrey Cantor has overlooked the reason why many scientists perceive a conflict between science and religion, in his Millennium Essay "Fighting the wrong battle" (Nature 403, 831 ; 2000). Science is an enterprise whose ...
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  • 4
    Electronic Resource
    Electronic Resource
    [s.l.] : Macmillan Magazines Ltd.
    Nature 400 (1999), S. 519-520 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Nurminsky et al. have described a new gene of Drosophila melanogaster, termed Sdic (for sperm-specific dynein, intermediate chain), which appears to have evolved recently as a result of fusion between duplicated copies of two adjacent genes, Cdic and AnnX. They consider that the low DNA ...
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  • 5
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 352 (1991), S. 391-391 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is now universally accepted by biologists that the mitochondria and chloro-plasts of eukaryotic cells are the descendants of bacteria-like organisms that took up residence within host cells, establishing an 'endosymbiotic' relationship. There is suggestive evidence from recent work on ...
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 351 (1991), S. 273-274 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] REPORTS in this issue1'2 by Kondrashov and Crow (page 314) and Perrot and colleagues (page 315) bring fresh insights to the long-standing question3"6 of the selective forces that favour the evolution of a prolonged diploid phase in the sexual life cycle. Both sets of authors explore the hypothesis ...
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Macmillian Magazines Ltd.
    Nature 416 (2002), S. 323-326 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Sex chromosomes are generally believed to have descended from a pair of homologous autosomes. Suppression of recombination between the ancestral sex chromosomes led to the genetic degeneration of the Y chromosome. In response, the X chromosome may become dosage-compensated. Most proposed ...
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  • 8
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 474-474 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THERE are two approaches to mathematical modelling in biology: one is to seek general formulations of the properties of basic processes, without paying much attention to observational detail; the other is to try and produce models that explain particular classes of facts. Both the approaches are ...
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  • 9
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 330 (1987), S. 116-117 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR-Burt and Bell1 present an analysis of chiasma frequency in mammals, which they claim supports the theory that genetic recombination is maintained by selection pressures resulting from host-pathogen interactions, which cause cyclical fluctuations in the nature of selectively favoured gene ...
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  • 10
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 332 (1988), S. 394-395 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THERE are several genetic and chromosomal systems in which Mendel's first law — the equal probability of transmission of maternal and paternal alternative alleles or homologues — is violated. This phenomenon was named 'meiotic drive' in 1957 by Sandier and Novitski, who drew ...
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