An Attempt to Integrate Previous Localized Estimates of Human Inbreeding for the Whole of Britain.

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  • Author(s): Pattison, John E.
  • Source:
    Human Biology. Fall2016, Vol. 88 Issue 4, p264-274. 11p. 3 Charts, 4 Graphs.
  • Document Type:
    Article
  • Additional Information
    • Subject Terms:
    • Author-Supplied Keywords:
      CONSANGUINEOUS MARRIAGES
      HISTORIC BRITAIN
      INBREEDING COEFFICIENT
      LOGISTIC FUNCTION
      MATING RELATIONSHIPS
    • Abstract:
      There have been a number of previous estimates of human inbreeding for Britons of British descent in Britain, each generally for diffferent social classes, geographical regions, and/or time periods. In this study I attempted to collect all relevant published studies and combine these disparate results into an integrated whole for all of Britain. This was achieved by combining weighted means of the percentage of consanguineous marriages (f%) reported in these earlier studies: weighted according to the number of records each author examined, the proportion of social classes or geographic regions covered by the records, and the "merit" of their individual research methodologies. The percentage occurrences of the various consanguineous marriages, from fijirst to third cousins, were partitioned into a number of time periods, which allowed the weighted mean percentage inbreeding coefffijicients (F%) to be obtained as a function of time over the period from 1820 to 1960. The resulting temporal scatter distribution of the weighted F% values closely followed a sigmoidal curve, with a nonlinear correlation coefffijicient of η = 0.974, which fijitted well to a generalized logistic function. After about 1900 the value of the weighted F% was essentially constant at about 0.038 ± 0.004, whereas it decreased rapidly from about 0.256 ± 0.011 between 1820 and 1900. The upper-bound value of weighted F% before 1820 from the fijitted logistic function is 0.276. This corresponds to a value of the conventional mean inbreeding coefffijicient F = 0.00276. As the fijirst known attempt to integrate the earlier disparate values of unweighted F% for Britons of British descent for all of Britain, the results of this analysis are promising and should be useful as reference values in other related studies. [ABSTRACT FROM AUTHOR]
    • Abstract:
      Copyright of Human Biology is the property of Wayne State University Press and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
    • ISSN:
      0018-7143
    • Accession Number:
      10.13110/humanbiology.88.4.0264
    • Accession Number:
      124410869
  • Citations
    • ABNT:
      PATTISON, J. E. An Attempt to Integrate Previous Localized Estimates of Human Inbreeding for the Whole of Britain. Human Biology, [s. l.], v. 88, n. 4, p. 264–274, 2016. DOI 10.13110/humanbiology.88.4.0264. Disponível em: http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=hch&AN=124410869. Acesso em: 1 dez. 2020.
    • AMA:
      Pattison JE. An Attempt to Integrate Previous Localized Estimates of Human Inbreeding for the Whole of Britain. Human Biology. 2016;88(4):264-274. doi:10.13110/humanbiology.88.4.0264
    • APA:
      Pattison, J. E. (2016). An Attempt to Integrate Previous Localized Estimates of Human Inbreeding for the Whole of Britain. Human Biology, 88(4), 264–274. https://doi.org/10.13110/humanbiology.88.4.0264
    • Chicago/Turabian: Author-Date:
      Pattison, John E. 2016. “An Attempt to Integrate Previous Localized Estimates of Human Inbreeding for the Whole of Britain.” Human Biology 88 (4): 264–74. doi:10.13110/humanbiology.88.4.0264.
    • Harvard:
      Pattison, J. E. (2016) ‘An Attempt to Integrate Previous Localized Estimates of Human Inbreeding for the Whole of Britain’, Human Biology, 88(4), pp. 264–274. doi: 10.13110/humanbiology.88.4.0264.
    • Harvard: Australian:
      Pattison, JE 2016, ‘An Attempt to Integrate Previous Localized Estimates of Human Inbreeding for the Whole of Britain’, Human Biology, vol. 88, no. 4, pp. 264–274, viewed 1 December 2020, .
    • MLA:
      Pattison, John E. “An Attempt to Integrate Previous Localized Estimates of Human Inbreeding for the Whole of Britain.” Human Biology, vol. 88, no. 4, Fall 2016, pp. 264–274. EBSCOhost, doi:10.13110/humanbiology.88.4.0264.
    • Chicago/Turabian: Humanities:
      Pattison, John E. “An Attempt to Integrate Previous Localized Estimates of Human Inbreeding for the Whole of Britain.” Human Biology 88, no. 4 (Fall 2016): 264–74. doi:10.13110/humanbiology.88.4.0264.
    • Vancouver/ICMJE:
      Pattison JE. An Attempt to Integrate Previous Localized Estimates of Human Inbreeding for the Whole of Britain. Human Biology [Internet]. 2016 Fall [cited 2020 Dec 1];88(4):264–74. Available from: http://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=hch&AN=124410869