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Original Article

Secular trends in genetic structure: an isonymic analysis of Northumberland parish records

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Pages 393-410 | Received 12 Jul 1973, Published online: 09 Jul 2009
 

Summary

From an isonymic analysis of marriages in Northumberland parishes in the 17th and 18th centuries, inbreeding is estimated. Levels suggest a high degree of localization of mating, and a restricted gene pool. Secular trends in inbreeding and differences between parishes emerge, which appear to correlate with historical events.

Zusammenfassung

Von einer isonymischen Analyse von Hochzeiten in Gemeinden in Northumberland im 17. und 18. Jahrhundert, Inzucht ist vermutet. Niveaus zeigen lokales paaren in einem hohen Grade und einen beschränkten Gene-Pool. Sekuläre Neigungen in Inzucht und Differenzen zwischen den Gemeinden tauchen auf, die mit historischen Ereignissen zu korrespondieren scheinen.

Résumé

L'endogamie a été mesurée à partir d'une analyse isonymique des mariages enregistrés dans les paroisses du Northumberland aux 17ème et 18ème siècles. Les niveaux obtenus suggèrent la présence d'une importante focalisation des mariages, et une limitation du stock génétique. Des tendances séculaires de l'endogamie et des différences interparoissiales apparaîssent; elles semblent étre en corrélation avec des évènements historiques.

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