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  • 1
    Electronic Resource
    Electronic Resource
    Identification of acrocentric chromosomes involved in the formation of ‘fusion’-metacentrics in mice. proposal for nomenclature ofM. poschiavinus metacentrics (1970)
    Springer
    Cellular and molecular life sciences 26 (1970), S. 1018-1019 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Zusammenfassung Der Befund eines Pentavalents in der Meiose von (M. poschiavinus×AKR/T1Ald) F1 zeigt, dass homologe akrozentrische Chromosomen bzw. Chromosomenarme unterschiedlich auf die metazentrischen Chromosomen der Tabakmaus (M. poschiavinus) und des AKR-Translokationsstammes T1Ald verteilt sind. Kreuzungsexperimente dieser Art dienen der Identifizierung einzelner Chromosomen oder Chromosomenarme bei der Maus. Für die sieben metazentrischen Chromosomen der Tabakmaus werden die Symbole T1-7 Bnr vorgeschlagen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02114170
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  • 2
    Electronic Resource
    Electronic Resource
    Das Chromosomenkomplement des Wildschweins (Sus scrofa) (1969)
    Springer
    Cellular and molecular life sciences 25 (1969), S. 778-778 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Wild pigs from Germany have 36 chromosomes with 4 pairs of acrocentrics. This is in accordance with the findings in European wild pigs from Tennessee (McFee et al.) but differs from those in the wild pig from Japan and in the domestic pig. Intraspecific Robertsonian changes and a preferential selection of the 38-chromosome-type in the course of domestication may be responsible for these variations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01897627
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  • 3
    Electronic Resource
    Electronic Resource
    Chromosomenuntersuchungen bei der Tabakmaus (M. poschiavinus) und bei Tabakmaus-Hybriden (1969)
    Springer
    Cellular and molecular life sciences 25 (1969), S. 875-876 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Cytogenetic investigations in a wild living, dark-coloured mouse, described in 1869 byFatio 2 as tobacco mouse,M. poschiavinus, revealed a chromosome number of 26, including 7 pairs of metacentrics. The N.F. is 40. The results of the chromosome analysis suggest a separate species character ofM. poschiavinus, as claimed byFatio 2 a century ago. The tobacco mouse can be crossbred with the laboratory mouse, but the F1- and subsequent hybrid generations and the backcrosses display a marked or even extreme reduction of fertility. The Robertsonian chromosome variation inM. musculus, M. poschiavinus and their hybrids seems to provide better means for experimental analysis of gene control. It offers tools for the analysis of factors controlling fertility and for experiments on chimerism necessitating the use of labelled cells.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01897931
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Vorträge und Poster zum Thema Intrauterine Transfusionen. Varia (1979)
    Springer
    Archives of gynecology and obstetrics 228 (1979), S. 104-109 
    Details
    ISSN: 1432-0711
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02427494
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    On the significance of true trisomy 20 mosaicism in amniotic fluid culture (1985)
    Springer
    Human genetics 〈Berlin〉 69 (1985), S. 321-326 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Nine new cases of prenatally detected true mosaic trisomy 20 (T20) are reported. In three instances the fetuses were aborted. One fetus showed multiple malformations associated with a high percentage of T20 cells among amniotic fluid (AF) cells and fibroblasts of different fetal tissues. In two other fetuses only a slight facial dysmorphy was seen which was accompanied by a low percentage of T20 cells among AF cells. In five instances the pregnancies were carried to term, and normal somatic and psychomotor development of the children has been observed, in one case up to the age of 24 months. In one case the pregnancy is continuing. The T20 cells were not detected among cultured lymphocytes of these children. A review of the hitherto known cases of prenatally detected mosaic T20 indicates a relationship between the prenatal findings and the fetal development. This may serve as a provisory basis for genetic counselling: in the case of a percentage above 50% of T20 cells among AF cells there seems to be a risk of about 50% for the fetus to be affected by severe anomalies. However, in cases of a prenatally detected mosaic T20 with a percentage equal to or less than 50, fetal or congenital malformations have not been observed among 23 individuals so far examined.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00291649
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  • 6
    Electronic Resource
    Electronic Resource
    Y-body in hair roots (1971)
    Springer
    Human genetics 〈Berlin〉 12 (1971), S. 79-80 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Description / Table of Contents: Zusammenfassung Es wird über eine Methode zur Identifizierung von Y-Körperchen in Haarwurzelzellen mittels Fluorescenzfärbung berichtet. In den Zellen von 52 normalen Männern konnte das Y-Körperchen in einem Prozentsatz zwischen 15 und 64 nachgewiesen werden. 2 Y-Körperchen fanden sich unter 5200 Zellen nur 60mal. Bei normalen Frauen findet sich ein Fluorescenzkörperchen nur äußerst selten. Die Methode eignet sich für Screening-Untersuchungen zum Auffinden Y-chromosomaler Aberrationen.
    Notes: Summary A method for identifying of the Y-Body in cells from hair root sheaths by fluorescent staining is described. In 52 normal males the Y-Body is found between 15 and 64%. 2 bodies were observed in 60 out of 5200 cells. In the female controls only rarely a fluorescent body was seen. The method is useful for screening tests in population genetics for identification of male sex-chromosome aberrations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00291039
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    Paper (German National Licenses)
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