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  • 1
    Electronic Resource
    Electronic Resource
    A dorso-ventral shift of embryonic primordia in a new maternal-effect mutant of Drosophila (1980)
    [s.l.] : Nature Publishing Group
    Nature 283 (1980), S. 474-476 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 Ventral hypoderm from the abdomen of wild-type and mutant larvae, a, Larva shortly after hatching; b, c, dlD larvae produced by dl/+ females at 29 C. The genotype of the females was al dp b dl bic sp/vgD in all experiments. For the descriptions of genes see refs 6, 10. The expressivity of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/283474a0
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    A dicephalic monster embryo ofDrosophila melanogaster (1976)
    Springer
    Development genes and evolution 179 (1976), S. 159-162 
    Details
    ISSN: 1432-041X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary A monster embryo with a head on each end developed from an abnormalDrosophila egg produced by a M(1)oSp/Binsn female. The embryo probably represents a longitudinal mirror duplication of head and all 3 thoracic segments. The significance of this type of pattern anomaly for embryonic pattern specification inDrosophila is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00848300
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  • 3
    Electronic Resource
    Electronic Resource
    Dicephalic — ADrosophila mutant affecting polarity in follicle organization and embryonic patterning (1982)
    Springer
    Development genes and evolution 191 (1982), S. 28-36 
    Details
    ISSN: 1432-041X
    Keywords: Drosophila ; Polarity ; Maternal effect ; Nurse cells ; Embryogenesis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The mutationdicephalic (dic) affects follicle development and thereby alters the antero-posterior polarity of embryonic patterning. It maps at a single locus (3–46.0±1.0) and can be characterized as a semi-dominant maternal effect mutation with low penetrance. Indic follicles, the 15 nurse cells form two clusters located at opposite poles of the oocyte; the numerical distribution of the nurse cells among the clusters varies from 7:8 to 1:14. Thedic egg shell carries a micropyle (anterior marker) at either pole, but the misshapen respiratory appendages are restricted to one of the two poles in most eggs. The malformed eggs rarely yield larvae and these are always abnormal anteriorly and/or posteriorly. The segment pattern expressed in their cuticle may represent two anterior parts of opposite polarities (double head type), two posterior parts of opposite polarities (double abdomen type, rare) or show uniform polarity. Lability of organization at the cystocyte stage appears as the primary developmental defect of the mutant.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00848543
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    Paper (German National Licenses)
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