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  • 1
    Electronic Resource
    Electronic Resource
    Reproductive Traits and Male Fertility in Plants: Empirical Approaches* (1993)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Ecology, Evolution, and Systematics 24 (1993), S. 331-351 
    Details
    ISSN: 0066-4162
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.es.24.110193.001555
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Age of the ΔF508 cystic fibrosis mutation (1994)
    [s.l.] : Nature Publishing Group
    Nature genetics 8 (1994), S. 216-216 
    Details
    ISSN: 1546-1718
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Medicine
    Notes: [Auszug] Sir—In a recent Nature Genetics paper, Morral et al. suggested that the ΔF508 mutation, responsible for 70% of the cases of cystic fibrosis (CF), is at least 2,600 generations old. This is far greater than the usually accepted figure of a few hundred generations2. Morral et al. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/ng1194-216a
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Multiple-population versus hierarchical conifer breeding programs: a comparison of genetic diversity levels (1995)
    Springer
    Theoretical and applied genetics 90 (1995), S. 584-594 
    Details
    ISSN: 1432-2242
    Keywords: Multiple-population breeding (MPBS) Hierarchical open-ended breeding (HOPE) Genetic conservation ; Conifers
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Advanced-generation domestication programs for forest-tree species has raised some concerns about the maintenance of genetic diversity in forest-tree breeding programs. Genetic diversity in natural stands was compared with two genetic conservation options for a third-generation elite Pinus taeda breeding population. The breeding population was subdivided either on the basis of geographic origin and selection goals (multiple-population or MPBS option) or stratified according to genetic value (hierarchical or HOPE option). Most allelic diversity in the natural stands of loblolly pine is present in the domesticated breeding populations. This was true at the aggregate level for both multiple-population (MPBS) and the hierarchical (HOPE) populations. Individual subpopulations within each option had less genetic diversity but it did not decline as generations of improvement increased. Genetic differentiation within the subdivided breeding populations ranged from 1 to 5%, genetic variability is within each subpopulation rather than among subpopulations for both MPBS (〉95%) and the HOPE approaches (〉98%). Nei's Gst estimates for amongpopulation differentiation were biased upwards relative to estimates of θ from Weir and Cockerham (1984).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00222007
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    Paper (German National Licenses)
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