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Consanguinity avoidance and mate choice in Sottunga, Finland

✍ Scribed by Elizabeth O'Brien; L. B. Jorde; Björn Rönnlöf; Johan O. Fellman; Aldur W. Eriksson

Book ID
102703358
Publisher
John Wiley and Sons
Year
1989
Tongue
English
Weight
915 KB
Volume
79
Category
Article
ISSN
0002-9483

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✦ Synopsis

Potential mates analysis is used to determine some of the social and demographic characteristics that influence mate choice in a small island population. Potential mate pools are defined for males in this population; characteristics such as population size and composition with respect to consanguinity are specified. Determinants of mate choice are examined in light of mate availability and potential mate pool characteristics for endogamous maters, exogamous maters, nonmaters, and males of various occupations. Random kinship is assessed from potential mate pools and compared to kinship between actual mates.

The island community approximated a random mating population from 1700 to 1900 with some evidence for consanguinity avoidance intensifying in the period 1900-1950. Despite the island's small population size, kinship coefficients between random mates and actual mates are not high because of relatively high immigration rates. Having considered the contributions of various factors that influence mate choice, the significance of the island mating structure for genetic variation and the distributions of certain genetic disorders is discussed.

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