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  • 1990-1994  (2)
  • Hyoscyamus muticus  (1)
  • North Bengal  (1)
  • Compositae
  • 1
    Electronic Resource
    Electronic Resource
    Fertile somatic hybrid between sexually incompatible Hyoscyamus muticus and Hyoscyamus albus (1994)
    Springer
    Plant cell reports 13 (1994), S. 537-540 
    Details
    ISSN: 1432-203X
    Keywords: Interspecific ; Somatic hybrid ; Protoplast fusion ; Hyoscyamus muticus ; Hyoscyamus albus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Somatic hybrid plants have been regenerated from fused protoplasts of a chlorophyll deficient mutant of H. muticus (2n=28) with wild type protoplasts of H. albus (2n=68). The inability of protoplasts of H. albus to regenerate was utilized in complementation with achlorophyllous, but regenerating, protoplasts of H. muticus for the selection of green somatic hybrid colonies and plants. The somatic hybrid plants showed intermediate morphological characters, and possessed 82–120 chromosomes, with a modal number of 96 which is also the amphidiploid complement of the two species. The isozyme patterns indicated the presence and expression of genes from both parents. The hybrid plants produced 33–78% viable pollen and set viable seeds upon selfing and backcrossing in a directional manner.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00232952
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Genetic differentiation among the three Hindu low caste groups of Malda district, West Bengal, India (1992)
    Springer
    International journal of anthropology 7 (1992), S. 7-15 
    Details
    ISSN: 1824-3096
    Keywords: Genetic polymorphism ; three descendants of Koch ; population affinities ; North Bengal ; India
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Three descendants of Koch, Indo-Mongolid populations, have been studied for their 12 genetic markers of blood group, red cell enzyme and serum protein. Distribution of their phenotype and allele frequencies shows some variants apart from their common alleles. Analysis on genetic material reveals very low differentiation coefficient (GST) value for the total population, and in the distance measure the Poliya and the Tiyor stand close to each other compared to other populations. Data on ethnohistory of the peoples have been discussed in the light of the results obtained from genetic analysis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02445037
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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