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  • 1
    Electronic Resource
    Electronic Resource
    Preimplantation genetic diagnosis: new reproductive options for carriers of haemophilia (2004)
    Oxford, UK : Blackwell Publishing Ltd
    Haemophilia 10 (2004), S. 0 
    Details
    ISSN: 1365-2516
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Summary.  Preimplantation genetic diagnosis for haemophilia offers couples at risk for transmitting the condition the opportunity to embark on a pregnancy knowing that the embryo is unaffected by the disease. The technique aims to increase the range of reproductive options available to these couples and remove the need for invasive prenatal diagnosis and the difficult decision on whether to terminate an affected pregnancy. This aims to reduce the anxiety associated with reproduction often seen in these couples. Patients undergo a cycle of in vitro fertilization followed by embryo biopsy. The single blastomeres are then analysed using fluorescent in situ hybridization to detect the sex of the embryo, and only female embryos are transferred to the uterus. Recently a PCR based approach has allowed specific mutation detection, and therefore the transfer of unaffected male and female embryos.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2516.2004.01042.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Low allozyme variation in the coconut crab Birgus latro
    Amsterdam : Elsevier
    Comparative Biochemistry and Physiology -- Part B: Biochemistry and 104 (1993), S. 353-359 
    Details
    ISSN: 0305-0491
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0305-0491(93)90379-J
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Genetic evidence for separation of two sharks,Carcharhinus limbatus andC. tilstoni, from Northern Australia (1991)
    Springer
    Marine biology 108 (1991), S. 1-4 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Allozyme electrophoresis was used to show that the two morphologically different groups ofCarcharhinus limbatus co-existing in waters to the north of Australia were distinct species. Forty-eight loci were examined in 967 specimens of the normal form and 20 specimens of the dark pelvic form collected between 1982 and 1985. Two loci exhibited nearly fixed allelic differences between the two forms, indicating that they must be considered as two distinct species. Further genetic analysis ofC. limbatus specimens from the West Indies (the typelocality) and South Africa showed that the rare dark pelvic form is the trueC. limbatus, while the normal form in Australian waters isC. tilstoni.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01313464
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    Paper (German National Licenses)
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