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  • 1960-1964  (3)
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Material
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Meiosis in garden roses (1963)
    Springer
    Chromosoma 13 (1963), S. 702-724 
    Details
    ISSN: 1432-0886
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Meiosis in 96 varieties of garden roses was studied. While the euploid numbers were most frequent, in exceptional cases, aneuploid numbers were recorded. Intervarietal variation in chromosome pairing is reflected in the varying degrees of expression of univalents, heteromorphic bivalents, bivalents with double secondary constrictions and multivalents. Supernumerary fragments in addition to the euploid chromosome complement were recorded in three varieties. Three varieties of floribundas and one of hybrid polyanthas were chromosome numerical mosaics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00325984
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Pachytene analysis in oryza (1961)
    Springer
    Chromosoma 12 (1961), S. 248-271 
    Details
    ISSN: 1432-0886
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Pachytene analysis was undertaken in 4 japonica-indica rice hybrids. In all these hybrids, pairing was exceedingly abnormal lending evidence for structural hybridity. Earlier investigators who analysed metaphase-I and later stages of meiosis concluded that sterility is due to genic causes. The present investigation clearly points out the chromosomal causes of sterility and makes possible a reinterpretation of (1) non-recovery of recombinant phenotypes and (2) the occurrence of albina and other mutations in hybrid progenies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00328922
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Cytology of an inter-sectional hybrid in oryza (1960)
    Springer
    Naturwissenschaften 47 (1960), S. 608-609 
    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/BF00602231
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    Paper (German National Licenses)
    Fulltext
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