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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Theoretical and applied genetics 82 (1991), S. 510-514 
    ISSN: 1432-2242
    Keywords: RFLPs ; Organelles ; Maternal inheritance ; Cytonuclear disequilibrium
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary We studied mitochondrial DNA restriction fragment length polymorphism in 11 parents and 125 seedlings of 23 controlled matings within and between jack pine (Pinus banksiana Lamb.) and lodgepole pine (P. contorta Dougl.). A potential mitochondrial distinction between these two conifers was evident in the parental samples. Only maternal mitochondrial restriction fragments were observed in a majority of the seedlings, which is consistent with results from angiosperms and other members of the genusPinus L. However, we detected exclusively paternal mitochondrial DNA in six of the seedlings. These unusual seedlings were not attributable to heteroplasmy or contamination of the experimental material, indicating that mitochondrial inheritance was not strictly maternal. Paternal mitochondrial leakage inPinus may permit novel insights into the transmission genetics and evolution of organellar polymorphisms.
    Type of Medium: Electronic Resource
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