Results 261 to 270 of about 4,786,280 (310)
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Journal of Theoretical Biology, 1964
Abstract The purpose of the present note is to construct a model so that the original experimental result of Haldane may be predicted theoretically. Only large recombination rates, therefore, are of primary interest here; however, this approach yields new functions of a type that can be used in the crossing-over studies.
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Abstract The purpose of the present note is to construct a model so that the original experimental result of Haldane may be predicted theoretically. Only large recombination rates, therefore, are of primary interest here; however, this approach yields new functions of a type that can be used in the crossing-over studies.
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Genetic mapping efforts in apomicts date back several decades, but significant progress only became possible with the application of molecular mapping tools. In this chapter, we present the approaches that have been taken to apply these techniques to apomictic species, the necessary experimental steps, caveats associated with interpreting the data, and
Ross, Bicknell +2 more
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Ross, Bicknell +2 more
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An Anthropocene map of genetic diversity
Science, 2016The Anthropocene is witnessing a loss of biodiversity, with well-documented declines in the diversity of ecosystems and species. For intraspecific genetic diversity, however, we lack even basic knowledge on its global distribution. We georeferenced 92,801 mitochondrial sequences for >4500 species of terrestrial mammals and amphibians, and found that
Miraldo, Andreia +9 more
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A genetic map of Phycomyces blakesleeanus
Molecular and General Genetics MGG, 1987Complementation tests among Phycomyces auxotrophic strains revealed the existence of four genes with mutants requiring riboflavin, three genes with purine auxotrophs, two with nicotinic acid auxotrophs, and two with lysine auxotrophs. A total of 134 sexual crosses between strains carrying mutations affecting phototropism (madA-madE), carotenoid ...
M, Orejas +3 more
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A Genetic Linkage Map for the Zebrafish
Science, 1994To facilitate molecular genetic analysis of vertebrate development, haploid genetics was used to construct a recombination map for the zebrafish Danio ( Brachydanio ) rerio .
John H. Postlethwait +14 more
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Genetic mapping in Bacillus subtilis
Journal of Molecular Biology, 1967Abstract A map of the Bacillus subtilis genome has been constructed from the results of density transfer experiments carried out in strain W23, and from genetic linkage data obtained using DNA-mediated transformation and phage PBS1-mediated transduction in strain 168. Several new linkages have been detected and most of the known linkage groups have
D, Dubnau +3 more
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Genetic mapping of prophage Mu
Virology, 1973Abstract The gene order of several independently isolated Mu prophages has been determined by deletion mapping. The prophages in which deletions were produced were located in the lacI gene, the lacZ gene, and the trp operon of Escherichia coli . The Mu deletions were tested for marker rescue against a set of sixteen Mu amber mutants.
A I, Bukhari, M, Metlay
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Plotting genetic maps on a microcomputer
Gene, 1987Maps of genetic linkage and restriction enzyme cleavage sites can be quickly prepared on an IBM PC microcomputer with the commercially available program Lotus 1-2-3. Data can be entered on the keyboard or imported from other programs. The maps can be displayed on the screen or with a printer or plotter. These procedures should be useful in the research
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Genetic Mapping in Hybrid Zones
The American Naturalist, 2002Recent advances in genetic mapping methodologies make it feasible to localize quantitative trait loci (QTL) that contribute to adaptation and speciation. However, it has not been possible to employ these methods in many wild species because of difficulties associated with creating and propagating recombinant populations of sufficient size for QTL ...
Loren H, Rieseberg, C Alex, Buerkle
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Genetic Mapping of the Mouse Genome
Methods, 1998This article provides an introduction to genetic mapping for scientists who wish to map specific genes or mutant phenotypes in the mouse. The basic principles of genetic mapping and the different types of genetic markers available are described in the first two sections of the chapter. The theoretical and empirical principles necessary to consider when
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