| Budget Amount *help |
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2016: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2015: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
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| Outline of Final Research Achievements |
The aim of this study was to reveal some biological aspects of social regulation on marriage system in relation to human mate choice. The study population was Sumbanese residents in East Nusa Tenggara Province, Indonesia, where the habitants prefer cross-cousin marriage ancestrally and traditionally. Their fertility as well as number of dead children under 15-years old in consanguineous marriage was higher than that of non-consanguineous marriage. It is suggested that offspring born to parents of consanguineous marriage might have more influence on genetic diversity within one’s lineage by their choice of their marital partners and that arranged marriage by parents might contribute more production of half-sibling with a biologically different father. Such a social regulation related to human reproductive behavior could possibly contribute to recruitment of heterozygous genotype and avoid loss of genetic diversity.
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