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  • Articles: DFG German National Licenses  (44)
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  • Articles: DFG German National Licenses  (44)
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  • 1
    Electronic Resource
    Electronic Resource
    Mechanisms of Meiotic Non-disjunction in Man (1960)
    [s.l.] : Nature Publishing Group
    Nature 187 (1960), S. 805-805 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Apart from the question whether non-disjunction occurs during the first or second meiotic division, Ford's suggestion that it may also occur in early cleavage cannot be dismissed1. This suggestion accounts for homozygosis of the locus for colourblindness by mitotic non-disjunction without reference ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/187805a0
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A Mosaic of Drosophila consisting of 1 X , 2 X and 3 X Tissue and its Probable Origin by Mitotic Non-disjunction (1960)
    [s.l.] : Nature Publishing Group
    Nature 186 (1960), S. 179-180 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] No part of the gynander had Minute bristles. Its abdomen was of the female type. The whole right eye and the upper half of the left eye had carnation colour and the right foreleg possessed a sex-comb, characteristic for the male. The lower half of the left eye had normal eye colour but an abnormal, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/186179b0
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  • 3
    Electronic Resource
    Electronic Resource
    Stability of Iso-alleles (1956)
    [s.l.] : Nature Publishing Group
    Nature 177 (1956), S. 42-42 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In order to obtain relevant data, males of a wild-type ('Canton-Sf) stock of Drosophila melanogaster, which had been made isogenic some time before the experiments, were crossed to homozygous ci eyR females (ci = cubitus interruptus, eyR = eyeless-Russian; both located in chromosome 4). The ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/177042a0
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Colour-blindness in Klinefelter's Syndrome (1959)
    [s.l.] : Nature Publishing Group
    Nature 183 (1959), S. 1452-1453 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It is well known that the frequency of females homozygous for recessive genes which are located in the X-chromosome is much lower than of hemizygous affected males. Thus, JXMinked red-green colourblindness occurs among males of European ancestry in the order of 8 per cent, whereas in females it is ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1831452a0
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Control of a Species-Difference by Means of a Difference in an Inductor (1938)
    [s.l.] : Nature Publishing Group
    Nature 142 (1938), S. 158-158 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] HITHERTO, experimental analyses of species differences by the use of xenoplastic transplantations have shown that the distinguishing characteristics are inherent in the tissues themselves. This is especially true when one considers organs which owe their differentiation to induction from other ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/142158a0
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Entwicklung und die Genetik von Mustern (1965)
    Springer
    Naturwissenschaften 52 (1965), S. 357-365 
    Details
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00621411
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  • 7
    Electronic Resource
    Electronic Resource
    Boveri and the Early Days of Genetics (1950)
    [s.l.] : Nature Publishing Group
    Nature 166 (1950), S. 446-446 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Boveri himself, however, not only interpreted the theory of the individuality of chromosomes liberally enough to permit exchanges of chromosome parts but also explicitly predicted the discovery of genetic linkage and crossing over, and provided the now accepted cytological interpretation. In his ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/166446a0
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  • 8
    Electronic Resource
    Electronic Resource
    Interaction between Cell Nucleus and Cytoplasm (1937)
    [s.l.] : Nature Publishing Group
    Nature 140 (1937), S. 770-771 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE assumption has been made frequently that the genes exert their effects upon the cytoplasm during the ‘resting’ stage of the cell. This implies that nuclear end products of genie reactions can pass through the nuclear membrane or at least react with cytoplasmatic components at the nucleo ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/140770b0
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  • 9
    Electronic Resource
    Electronic Resource
    The genetic control of developmental competence and morphogenetic tissue interactions in genetic mosaics (1956)
    Springer
    Development genes and evolution 149 (1956), S. 1-25 
    Details
    ISSN: 1432-041X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary 1. InDrosophila melanogaster the genotype Theta causes the development of an interalar bristle-organ which is not formed in the wild type. The genotype Minute-n causes, in Theta flies, a strong reduction in the frequency of the occurrence of the interalar bristle. 2. By means of genetic mosaics, produced by somatic crossing over and segregation, a developmental analysis was applied to the differences in interalar differentiation between the wild-type, the Theta and the Minute-n genotype. 3. Loss of Minute-n in segregated tissues of Minute-n Theta flies leads to differentiation of the interalar bristle. Loss of Minute-n and Theta in segregates of such flies may also lead to differentiation of the bristle, particularly in spots of small area. 4. In the neighborhood of the border between the genetically different tissues of mosaics extra bristles may be formed. 5. The data furnish evidence for interactions between the genetically different tissues of mosaics: inhibition of bristle formation in the surroundings of differentiating bristles, and spread of gene-dependent substances concerned with differentiation. 6. The results can be interpreted in terms of a constant prepattern for the interalar bristle in wild-type, Theta and Minute Theta genotypes, but of different competence of cells with the three genotypes to respond to the prepattern by differentiation of the interalar bristle.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01382504
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    Paper (German National Licenses)
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  • 10
    Electronic Resource
    Electronic Resource
    Die Bedeutung vonDrosophila melanogaster für die genetische Forschung (1929)
    Springer
    Theoretical and applied genetics 1 (1929), S. 237-243 
    Details
    ISSN: 1432-2242
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01812431
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    Paper (German National Licenses)
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